#0A232B#0A232B

#0A232B is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 24.1% C 0.034 H 222.0°. Best body text is #FFFFFF at 16.30:1 contrast (WCAG AA passes).

Color values

HEX	#0A232B
RGB	rgb(10, 35, 43)
HSL	hsl(195, 62%, 10%)
HSV	hsv(195, 77%, 17%)
CMYK	cmyk(76.7%, 18.6%, 0%, 83.1%)
CIE-LAB	lab(12.23, -6.48, -8.19)
CIE-LCH	lch(12.23, 10.45, 231.64°)
OKLab	oklab(24.07% -0.0253 -0.0228)
OKLCH	oklch(24.07% 0.034 222)
XYZ	xyz(1.1621, 1.4409, 2.5019)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A232B #2B120A

analogous

#0A2B22 #0A232B #0A122B

triadic

#0A232B #2B0A23 #232B0A

tetradic

#0A232B #220A2B #2B120A #122B0A

square

#0A232B #220A2B #2B120A #122B0A

split-complementary

#0A232B #2B0A12 #2B220A

monochromatic

#061419 #061419 #0A232B #164B5D #21748E

Accessibility & contrast

On white

16.30

#0A232B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#0A232B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A232B

16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A232B	#FFFFFF	#000000	##FFFFFF
##0A232B	1.00	16.30	1.29	16.30
#FFFFFF	16.30	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E222B

Deuteranopia (green-blind)

#1A1E2B

Tritanopia (blue-blind)

#002626

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0a232b;
/* rgb */ color: rgb(10, 35, 43);
/* oklch */ color: oklch(24.1% 0.034 222.0);

Tailwind

colors: {
  custom: {
    50: '#4d5d64',
    500: '#0a232b',
    950: '#000000',
  },
}

SCSS

$custom: #0a232b;
$custom-light: #4d5d64;
$custom-dark: #000000;

JSON

{
  "hex": "#0a232b",
  "rgb": {
    "r": 10,
    "g": 35,
    "b": 43
  },
  "hsl": {
    "h": 194.545,
    "s": 62.264,
    "l": 10.392
  },
  "oklch": {
    "l": 0.24072,
    "c": 0.03406,
    "h": 222
  },
  "luminance": 0.01441
}

Semantic roles & 50–950 ramp

primary

#0A232B

secondary

#683829

accent

#6A42E5

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#010405

muted

#777979

Preview Lab

Preview with #0A232B

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

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