Dark Red & Gray, Muted Blue Color Palette

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#372325 55, 35, 37

#645563 100, 85, 99

#3B4B57 59, 75, 87

#3D5158 61, 81, 88

#372325

Color 1

#645563

Color 2

#3B4B57

Color 3

#3D5158

Color 4

:root {
  --color-1: #372325;
  --color-2: #645563;
  --color-3: #3B4B57;
  --color-4: #3D5158;
}

colors: {
  'palette-1': '#372325',
  'palette-2': '#645563',
  'palette-3': '#3B4B57',
  'palette-4': '#3D5158',
}

const palette = [
  '#372325',
  '#645563',
  '#3B4B57',
  '#3D5158',
];

$color-1: #372325;
$color-2: #645563;
$color-3: #3B4B57;
$color-4: #3D5158;

Palette Codes 4 COLORS

This is a cool, calm and understated 4-colour palette built from closely related tones that blend harmoniously.

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Added Jun 2026

About this color palette

This is a cool, calm and understated 4-colour palette built from closely related tones that blend harmoniously. It is anchored by Dark Red (#372325) and reads as deep and moody, with an average saturation of 17% and lightness of 28%. It works well for calm, professional and modern interfaces.

The colors in this palette

Dark Red `#372325`

rgb(55, 35, 37) · hsl(354, 22%, 18%)

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

Gray `#645563`

rgb(100, 85, 99) · hsl(304, 8%, 36%)

A soft, muted tone that suits calm backgrounds and large surfaces.

Muted Blue `#3B4B57`

rgb(59, 75, 87) · hsl(206, 19%, 29%)

A soft, muted tone that suits calm backgrounds and large surfaces.

Muted Teal `#3D5158`

rgb(61, 81, 88) · hsl(196, 18%, 29%)

A soft, muted tone that suits calm backgrounds and large surfaces.

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
#372325	#645563	2.11:1	Fail	Fail
#372325	#3D5158	1.76:1	Fail	Fail
#372325	#3B4B57	1.63:1	Fail	Fail
#645563	#3B4B57	1.3:1	Fail	Fail
#645563	#3D5158	1.2:1	Fail	Fail
#3B4B57	#3D5158	1.08:1	Fail	Fail

How to use these colors

Background — Gray (#645563): the lightest tone — a clean base for large areas
Text — Dark Red (#372325): the darkest tone — readable for body copy and headings
Primary — Dark Red (#372325): the most saturated tone — buttons, links and key UI
Accent — Muted Blue (#3B4B57): 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 Red tone, based on colour-wheel harmony. Tap a swatch to explore that colour family.

#358D84 · Teal #8D5835 · Orange #8D356A · Pink #3E8D35 · Green

Frequently asked questions

What colours are in this palette?

This palette has 4 colours: Dark Red (#372325), Gray (#645563), Muted Blue (#3B4B57) and Muted Teal (#3D5158).

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 #372325, #645563, #3B4B57 and #3D5158. 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.