Dark Teal & Dark Blue, Black Color Palette — PaletteCSS
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Dark Teal & Dark Blue, Black Color Palette

#303750 48, 55, 80
#0A141C 10, 20, 28
#0C3A46 12, 58, 70
#39D6B1 57, 214, 177
#303750
Color 1
#0A141C
Color 2
#0C3A46
Color 3
#39D6B1
Color 4
:root {
  --color-1: #303750;
  --color-2: #0A141C;
  --color-3: #0C3A46;
  --color-4: #39D6B1;
}
colors: {
  'palette-1': '#303750',
  'palette-2': '#0A141C',
  'palette-3': '#0C3A46',
  'palette-4': '#39D6B1',
}
const palette = [
  '#303750',
  '#0A141C',
  '#0C3A46',
  '#39D6B1',
];
$color-1: #303750;
$color-2: #0A141C;
$color-3: #0C3A46;
$color-4: #39D6B1;
Palette Codes 4 COLORS

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

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Added Jun 2026
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About this color palette

This is a cool, easygoing 4-colour palette with a comfortable balance of contrast and harmony. It is anchored by Dark Teal (#0C3A46) and reads as deep and moody, with an average saturation of 52% and lightness of 25%. It works well for calm, professional and modern interfaces.

The colors in this palette

Dark Blue #303750

rgb(48, 55, 80) · hsl(227, 25%, 25%)

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

Black #0A141C

rgb(10, 20, 28) · hsl(207, 47%, 7%)

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

Dark Teal #0C3A46

rgb(12, 58, 70) · hsl(192, 71%, 16%)

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

Teal #39D6B1

rgb(57, 214, 177) · hsl(166, 66%, 53%)

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).

TextBackgroundRatioAAAAA
#0A141C #39D6B1 10.12:1 Pass Pass
#0C3A46 #39D6B1 6.69:1 Pass Fail
#303750 #39D6B1 6.39:1 Pass Fail
#303750 #0A141C 1.58:1 Fail Fail
#0A141C #0C3A46 1.51:1 Fail Fail
#303750 #0C3A46 1.05:1 Fail Fail

How to use these colors

  • Background — Teal (#39D6B1): the lightest tone — a clean base for large areas
  • Text — Black (#0A141C): the darkest tone — readable for body copy and headings
  • Primary — Dark Teal (#0C3A46): the most saturated tone — buttons, links and key UI
  • Accent — Black (#0A141C): 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 Teal tone, based on colour-wheel harmony. Tap a swatch to explore that colour family.

Frequently asked questions

What colours are in this palette?

This palette has 4 colours: Dark Blue (#303750), Black (#0A141C), Dark Teal (#0C3A46) and Teal (#39D6B1).

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 #303750, #0A141C, #0C3A46 and #39D6B1. You can copy them as CSS variables, Tailwind, SCSS or JSON from the code panel above.

Is this palette accessible for text?

Yes — Black text on Teal reaches a contrast ratio of 10.12:1, which meets the WCAG AAA standard for readable text.

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