Blue & Dark Blue, Teal Color Palette

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#101C39 16, 28, 57

#40949F 64, 148, 159

#4A3B47 74, 59, 71

#2370C8 35, 112, 200

#101C39

Color 1

#40949F

Color 2

#4A3B47

Color 3

#2370C8

Color 4

:root {
  --color-1: #101C39;
  --color-2: #40949F;
  --color-3: #4A3B47;
  --color-4: #2370C8;
}

colors: {
  'palette-1': '#101C39',
  'palette-2': '#40949F',
  'palette-3': '#4A3B47',
  'palette-4': '#2370C8',
}

const palette = [
  '#101C39',
  '#40949F',
  '#4A3B47',
  '#2370C8',
];

$color-1: #101C39;
$color-2: #40949F;
$color-3: #4A3B47;
$color-4: #2370C8;

Palette Codes 4 COLORS

This is a cool, balanced 4-colour palette with a comfortable balance of contrast and harmony.

5,250 Views

Added Jun 2026

About this color palette

This is a cool, balanced 4-colour palette with a comfortable balance of contrast and harmony. It is anchored by Blue (#2370C8) and reads as deep and moody, with an average saturation of 45% and lightness of 33%. It works well for calm, professional and modern interfaces.

The colors in this palette

Dark Blue `#101C39`

rgb(16, 28, 57) · hsl(222, 56%, 14%)

A deep, low-lightness tone — strong for text, headings and bold accents.

Teal `#40949F`

rgb(64, 148, 159) · hsl(187, 43%, 44%)

A balanced mid-tone that works well for primary surfaces and UI elements.

Charcoal `#4A3B47`

rgb(74, 59, 71) · hsl(312, 11%, 26%)

A deep, low-lightness tone — strong for text, headings and bold accents.

Blue `#2370C8`

rgb(35, 112, 200) · hsl(212, 70%, 46%)

A vivid, saturated tone that draws the eye — best for accents and highlights.

Accessibility & contrast

Colour contrast decides whether text stays readable. Here is how each pair of colours in this palette performs when one is used as text on the other, measured against the WCAG standard (AA needs 4.5:1, AAA needs 7:1).

Text	Background	Ratio	AA	AAA
#101C39	#40949F	4.77:1	Pass	Fail
#101C39	#2370C8	3.39:1	Fail	Fail
#40949F	#4A3B47	2.97:1	Fail	Fail
#4A3B47	#2370C8	2.1:1	Fail	Fail
#101C39	#4A3B47	1.61:1	Fail	Fail
#40949F	#2370C8	1.41:1	Fail	Fail

How to use these colors

Background — Blue (#2370C8): the lightest tone — a clean base for large areas
Text — Dark Blue (#101C39): the darkest tone — readable for body copy and headings
Primary — Dark Blue (#101C39): the most saturated tone — buttons, links and key UI
Accent — Teal (#40949F): a secondary highlight for badges and details

Colors that pair with this palette

Want to extend this palette? These colours pair naturally with its dominant Blue tone, based on colour-wheel harmony. Tap a swatch to explore that colour family.

#C87B23 · Orange #2823C8 · Blue #23C3C8 · Teal #C82370 · Pink