#0A2C39#0A2C39

#0A2C39 is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.6% C 0.045 H 227.5°. Best body text is #FFFFFF at 14.66:1 contrast (WCAG AA passes).

Color values

HEX	#0A2C39
RGB	rgb(10, 44, 57)
HSL	hsl(197, 70%, 13%)
HSV	hsv(197, 82%, 22%)
CMYK	cmyk(82.5%, 22.8%, 0%, 77.6%)
CIE-LAB	lab(16.31, -6.89, -11.84)
CIE-LCH	lch(16.31, 13.70, 239.80°)
OKLab	oklab(27.57% -0.0304 -0.0332)
OKLCH	oklch(27.57% 0.045 227.5)
XYZ	xyz(1.7641, 2.1611, 4.1943)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2C39 #39170A

analogous

#0A392E #0A2C39 #0A1439

triadic

#0A2C39 #390A2C #2C390A

tetradic

#0A2C39 #2E0A39 #39170A #14390A

square

#0A2C39 #2E0A39 #39170A #14390A

split-complementary

#0A2C39 #390A14 #392E0A

monochromatic

#05141A #05141A #0A2C39 #13546D #1C7CA1

Accessibility & contrast

On white

14.66

#0A2C39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#0A2C39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2C39

14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2C39	#FFFFFF	#000000	##FFFFFF
##0A2C39	1.00	14.66	1.43	14.66
#FFFFFF	14.66	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252B3A

Deuteranopia (green-blind)

#1F2639

Tritanopia (blue-blind)

#003030

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0a2c39;
/* rgb */ color: rgb(10, 44, 57);
/* oklch */ color: oklch(27.6% 0.045 227.5);

Tailwind

colors: {
  custom: {
    50: '#51656f',
    500: '#0a2c39',
    950: '#000000',
  },
}

SCSS

$custom: #0a2c39;
$custom-light: #51656f;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2c39",
  "rgb": {
    "r": 10,
    "g": 44,
    "b": 57
  },
  "hsl": {
    "h": 196.596,
    "s": 70.149,
    "l": 13.137
  },
  "oklch": {
    "l": 0.27565,
    "c": 0.04499,
    "h": 227.5
  },
  "luminance": 0.02161
}

Semantic roles & 50–950 ramp

primary

#0A2C39

secondary

#763E28

accent

#6C3BED

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020507

muted

#787A7A

Preview Lab

Preview with #0A2C39

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →