Harbour Blue

Pricing & plan comparison · Score 86 ·Excellent

The lead color is deep, so use it for surfaces and emphasis rather than fine text. On a web page it works when the brand color anchors calls to action and the surrounding roles stay quiet enough for long reading sessions.

Mint Blue

View JSON

10 color roles

Every color has a defined purpose. Use the buttons on the right to copy it in any format.

Primary primary

Brand color, mapped to the CSS variable --color-primary

#2a3186rgb(42, 49, 134)hsl(235.4, 52.3%, 34.5%)

Primary hover primaryHover

Hover state: --color-primary-hover

#181c52rgb(24, 28, 82)hsl(235.9, 54.7%, 20.8%)

Primary active primaryActive

Pressed state: --color-primary-active

#0a0b23rgb(10, 11, 35)hsl(237.6, 55.6%, 8.8%)

Text main textMain

Body text: --color-text-main

#1f202drgb(31, 32, 45)hsl(235.7, 18.4%, 14.9%)

Text sub textSub

Secondary text: --color-text-sub

#606385rgb(96, 99, 133)hsl(235.1, 16.2%, 44.9%)

Background bg

Page background: --color-bg

#f9f9fbrgb(249, 249, 251)hsl(240, 20%, 98%)

Surface surface

Card and panel background: --color-surface

#f3f3f7rgb(243, 243, 247)hsl(240, 20%, 96.1%)

Border border

Dividers and outlines: --color-border

#e1e2eargb(225, 226, 234)hsl(233.3, 17.6%, 90%)

Link link

Link color: --color-link

#151a51rgb(21, 26, 81)hsl(235, 58.8%, 20%)

Accent accent

Highlight color: --color-accent

#e68337rgb(230, 131, 55)hsl(26.1, 77.8%, 55.9%)

Editorial review · Web

We go through the traps that bite most often on this platform. Every verdict is computed from the color values, not boilerplate.

Do links separate from body textSolid

No problem here, safe to use as is.

Card surface vs page backgroundWatch

The gap is small. Separate them with lightness or an icon as well, rather than hue alone.

Is the hover state visibleSolid

No problem here, safe to use as is.

Does the border steal attentionSolid

No problem here, safe to use as is.

How to use it

Written by hand for the hue family and lightness of this palette, not assembled from a template.

This palette's lead color is deep and carries weight, which suits dark themes and interfaces that need to feel professional and steady.

Good forThe most versatile lead: technology, finance, tools and enterprise services that need to feel trustworthy.

Use with careIt is so common that it can feel anonymous; support colors and typography have to do the differentiating.

Pairs withDeeper blue for depth and white for openness are the two hardest combinations to get wrong.

Hue family: Blue

What it looks like in a real interface

The same palette rendered across all three platforms, the fastest way to judge whether it works.

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Navigation, buttons, cards and text hierarchy, previewed in one go.

Primary actionLearn more

Card oneSecondary copy, used to check contrast against WCAG.

Card twoAccent color for highlights: keep it a step away from the brand color.

Card threeNeutral text carries body copy, the most frequently used color.

Accessibility contrast check

Calculated to WCAG 2.1. AA is the accessibility baseline, AAA the enhanced level.

Foreground / background	Ratio	Body text	Large text
Body text / page background	15.33:1	AAA	AAA
Body text / card background	14.56:1	AAA	AAA
Brand color / page background	10.61:1	AAA	AAA

Verify this pair in the checker →Compare with other palettes →Site-wide accessibility report →

More palettes on this platform

Ranked by color family and shared tags, so the next one is worth opening.

Export to your project

Four formats, ready to paste. Or fetch them by URL from your tooling or AI agent.

CSS variables

:root {
  --color-primary: #2a3186; /* Primary */
  --color-primaryHover: #181c52; /* Primary hover */
  --color-primaryActive: #0a0b23; /* Primary active */
  --color-textMain: #1f202d; /* Text main */
  --color-textSub: #606385; /* Text sub */
  --color-bg: #f9f9fb; /* Background */
  --color-surface: #f3f3f7; /* Surface */
  --color-border: #e1e2ea; /* Border */
  --color-link: #151a51; /* Link */
  --color-accent: #e68337; /* Accent */
}

SCSS variables

$color-primary: #2a3186; // Primary
$color-primaryHover: #181c52; // Primary hover
$color-primaryActive: #0a0b23; // Primary active
$color-textMain: #1f202d; // Text main
$color-textSub: #606385; // Text sub
$color-bg: #f9f9fb; // Background
$color-surface: #f3f3f7; // Surface
$color-border: #e1e2ea; // Border
$color-link: #151a51; // Link
$color-accent: #e68337; // Accent

Tailwind config

// tailwind.config.js: Harbour Blue
module.exports = {
  theme: {
    extend: {
      colors: {
        'primary': '#2a3186',
        'primaryHover': '#181c52',
        'primaryActive': '#0a0b23',
        'textMain': '#1f202d',
        'textSub': '#606385',
        'bg': '#f9f9fb',
        'surface': '#f3f3f7',
        'border': '#e1e2ea',
        'link': '#151a51',
        'accent': '#e68337',
      },
    },
  },
};

Machine-readable JSON

{
  "name": "Harbour Blue",
  "platform": "web",
  "tags": [
    "Mint",
    "Blue"
  ],
  "advice": {
    "family": "Blue",
    "depth": "This palette's lead color is deep and carries weight, which suits dark themes and interfaces that need to feel professional and steady.",
    "muted": null,
    "suit": "The most versatile lead: technology, finance, tools and enterprise services that need to feel trustworthy.",
    "avoid": "It is so common that it can feel anonymous; support colors and typography have to do the differentiating.",
    "pair": "Deeper blue for depth and white for openness are the two hardest combinations to get wrong."
  },
  "roles": {
    "primary": "#2a3186",
    "primaryHover": "#181c52",
    "primaryActive": "#0a0b23",
    "textMain": "#1f202d",
    "textSub": "#606385",
    "bg": "#f9f9fb",
    "surface": "#f3f3f7",
    "border": "#e1e2ea",
    "link": "#151a51",
    "accent": "#e68337"
  },
  "contrast": {
    "textOnBg": {
      "ratio": 15.33,
      "level": "AAA"
    },
    "primaryOnBg": {
      "ratio": 10.61,
      "level": "AAA"
    },
    "textOnSurface": {
      "ratio": 14.56,
      "level": "AAA"
    }
  }
}