Dark Blue & Charcoal, Black Color Palette

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#292F31 41, 47, 49

#403A39 64, 58, 57

#0A0A0A 10, 10, 10

#0A1D35 10, 29, 53

#292F31

Color 1

#403A39

Color 2

#0A0A0A

Color 3

#0A1D35

Color 4

:root {
  --color-1: #292F31;
  --color-2: #403A39;
  --color-3: #0A0A0A;
  --color-4: #0A1D35;
}

colors: {
  'palette-1': '#292F31',
  'palette-2': '#403A39',
  'palette-3': '#0A0A0A',
  'palette-4': '#0A1D35',
}

const palette = [
  '#292F31',
  '#403A39',
  '#0A0A0A',
  '#0A1D35',
];

$color-1: #292F31;
$color-2: #403A39;
$color-3: #0A0A0A;
$color-4: #0A1D35;

Palette Codes 4 COLORS

This is a cool, calm and understated 4-colour palette whose tones sit close together for a smooth, cohesive feel.

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Added Jun 2026

About this color palette

This is a cool, calm and understated 4-colour palette whose tones sit close together for a smooth, cohesive feel. It is anchored by Dark Blue (#0A1D35) and reads as deep and moody, with an average saturation of 21% and lightness of 14%. It works well for calm, professional and modern interfaces.

The colors in this palette

Charcoal `#292F31`

rgb(41, 47, 49) · hsl(195, 9%, 18%)

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

Charcoal `#403A39`

rgb(64, 58, 57) · hsl(9, 6%, 24%)

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

Black `#0A0A0A`

rgb(10, 10, 10) · hsl(0, 0%, 4%)

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

Dark Blue `#0A1D35`

rgb(10, 29, 53) · hsl(213, 68%, 12%)

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

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
#403A39	#0A0A0A	1.77:1	Fail	Fail
#403A39	#0A1D35	1.52:1	Fail	Fail
#292F31	#0A0A0A	1.46:1	Fail	Fail
#292F31	#0A1D35	1.25:1	Fail	Fail
#292F31	#403A39	1.22:1	Fail	Fail
#0A0A0A	#0A1D35	1.17:1	Fail	Fail

How to use these colors

Background — Charcoal (#403A39): the lightest tone — a clean base for large areas
Text — Black (#0A0A0A): the darkest tone — readable for body copy and headings
Primary — Dark Blue (#0A1D35): the most saturated tone — buttons, links and key UI
Accent — Charcoal (#292F31): 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 Dark Blue tone, based on colour-wheel harmony. Tap a swatch to explore that colour family.

#A3691F · Orange #261FA3 · Blue #1F9BA3 · Teal #A31F59 · Pink

Frequently asked questions

What colours are in this palette?

This palette has 4 colours: Charcoal (#292F31), Charcoal (#403A39), Black (#0A0A0A) and Dark Blue (#0A1D35).

Is this a warm or cool colour palette?

It is a cool palette — its tones lean toward blues, greens and purples, which feel calm and modern.

What are the hex codes for this palette?

The hex codes are #292F31, #403A39, #0A0A0A and #0A1D35. You can copy them as CSS variables, Tailwind, SCSS or JSON from the code panel above.

Is this palette accessible for text?

The colours are fairly close in contrast, so pair them carefully for text — put a very light or very dark colour behind body text, and check the contrast table above.