#0A121E#0A121E

#0A121E is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.1% C 0.028 H 258.3°. Best body text is #FFFFFF at 18.78:1 contrast (WCAG AA passes).

Color values

HEX	#0A121E
RGB	rgb(10, 18, 30)
HSL	hsl(216, 50%, 8%)
HSV	hsv(216, 67%, 12%)
CMYK	cmyk(66.7%, 40%, 0%, 88.2%)
CIE-LAB	lab(5.34, 0.58, -9.06)
CIE-LCH	lch(5.34, 9.08, 273.66°)
OKLab	oklab(18.09% -0.0056 -0.0272)
OKLCH	oklch(18.09% 0.028 258.3)
XYZ	xyz(0.5757, 0.5908, 1.3117)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A121E #1E160A

analogous

#0A1C1E #0A121E #0C0A1E

triadic

#0A121E #1E0A12 #121E0A

tetradic

#0A121E #1E0A1C #1E160A #0A1E0C

square

#0A121E #1E0A1C #1E160A #0A1E0C

split-complementary

#0A121E #1E0C0A #1C1E0A

monochromatic

#080E17 #080E17 #0A121E #192E4C #29497A

Accessibility & contrast

On white

18.78

#0A121E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0A121E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A121E

18.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A121E	#FFFFFF	#000000	##FFFFFF
##0A121E	1.00	18.78	1.12	18.78
#FFFFFF	18.78	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D131F

Deuteranopia (green-blind)

#0B111E

Tritanopia (blue-blind)

#031516

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0a121e;
/* rgb */ color: rgb(10, 18, 30);
/* oklch */ color: oklch(18.1% 0.028 258.3);

Tailwind

colors: {
  custom: {
    50: '#4b5059',
    500: '#0a121e',
    950: '#000000',
  },
}

SCSS

$custom: #0a121e;
$custom-light: #4b5059;
$custom-dark: #000000;

JSON

{
  "hex": "#0a121e",
  "rgb": {
    "r": 10,
    "g": 18,
    "b": 30
  },
  "hsl": {
    "h": 216,
    "s": 50,
    "l": 7.843
  },
  "oklch": {
    "l": 0.18093,
    "c": 0.02775,
    "h": 258.3
  },
  "luminance": 0.00591
}

Semantic roles & 50–950 ramp

primary

#0A121E

secondary

#59472B

accent

#A24EDA

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010203

muted

#777878

Preview Lab

Preview with #0A121E

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

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