#0A2131#0A2131

#0A2131 is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 23.8% C 0.042 H 241.9°. Best body text is #FFFFFF at 16.47:1 contrast (WCAG AA passes).

Color values

HEX	#0A2131
RGB	rgb(10, 33, 49)
HSL	hsl(205, 66%, 12%)
HSV	hsv(205, 80%, 19%)
CMYK	cmyk(79.6%, 32.7%, 0%, 80.8%)
CIE-LAB	lab(11.78, -2.58, -13.21)
CIE-LCH	lch(11.78, 13.46, 258.94°)
OKLab	oklab(23.82% -0.0199 -0.0372)
OKLCH	oklch(23.82% 0.042 241.9)
XYZ	xyz(1.2232, 1.3739, 3.1059)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2131 #311A0A

analogous

#0A312E #0A2131 #0A0E31

triadic

#0A2131 #310A21 #21310A

tetradic

#0A2131 #2E0A31 #311A0A #0E310A

square

#0A2131 #2E0A31 #311A0A #0E310A

split-complementary

#0A2131 #310A0E #312E0A

monochromatic

#051119 #051119 #0A2131 #144364 #1F6597

Accessibility & contrast

On white

16.47

#0A2131 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#0A2131 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2131

16.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2131	#FFFFFF	#000000	##FFFFFF
##0A2131	1.00	16.47	1.27	16.47
#FFFFFF	16.47	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2132

Deuteranopia (green-blind)

#141D31

Tritanopia (blue-blind)

#002527

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0a2131;
/* rgb */ color: rgb(10, 33, 49);
/* oklch */ color: oklch(23.8% 0.042 241.9);

Tailwind

colors: {
  custom: {
    50: '#4e5c69',
    500: '#0a2131',
    950: '#000000',
  },
}

SCSS

$custom: #0a2131;
$custom-light: #4e5c69;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2131",
  "rgb": {
    "r": 10,
    "g": 33,
    "b": 49
  },
  "hsl": {
    "h": 204.615,
    "s": 66.102,
    "l": 11.569
  },
  "oklch": {
    "l": 0.23822,
    "c": 0.04218,
    "h": 241.9
  },
  "luminance": 0.01374
}

Semantic roles & 50–950 ramp

primary

#0A2131

secondary

#6E4529

accent

#853FE9

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020406

muted

#78797A

Preview Lab

Preview with #0A2131

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

Preview Lab → · Contrast checker → · Palette generator →