#0A121C#0A121C

#0A121C is a very dark, muted cyan. Relative luminance 0.006; OKLCH L 18.0% C 0.024 H 254.4°. Best body text is #FFFFFF at 18.81:1 contrast (WCAG AA passes).

Color values

HEX	#0A121C
RGB	rgb(10, 18, 28)
HSL	hsl(213, 47%, 7%)
HSV	hsv(213, 64%, 11%)
CMYK	cmyk(64.3%, 35.7%, 0%, 89%)
CIE-LAB	lab(5.25, -0.05, -7.64)
CIE-LCH	lch(5.25, 7.64, 269.65°)
OKLab	oklab(17.96% -0.0065 -0.0232)
OKLCH	oklch(17.96% 0.024 254.4)
XYZ	xyz(0.5510, 0.5809, 1.1815)
Luminance	0.0058 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A121C #1C140A

analogous

#0A1B1C #0A121C #0B0A1C

triadic

#0A121C #1C0A12 #121C0A

tetradic

#0A121C #1C0A1B #1C140A #0A1C0B

square

#0A121C #1C0A1B #1C140A #0A1C0B

split-complementary

#0A121C #1C0B0A #1B1C0A

monochromatic

#080E17 #080E17 #0A121C #1A2F49 #2A4C76

Accessibility & contrast

On white

18.81

#0A121C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0A121C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A121C

18.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A121C	#FFFFFF	#000000	##FFFFFF
##0A121C	1.00	18.81	1.12	18.81
#FFFFFF	18.81	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E121C

Deuteranopia (green-blind)

#0C111C

Tritanopia (blue-blind)

#041415

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0a121c;
/* rgb */ color: rgb(10, 18, 28);
/* oklch */ color: oklch(18.0% 0.024 254.4);

Tailwind

colors: {
  custom: {
    50: '#4b5058',
    500: '#0a121c',
    950: '#000000',
  },
}

SCSS

$custom: #0a121c;
$custom-light: #4b5058;
$custom-dark: #000000;

JSON

{
  "hex": "#0a121c",
  "rgb": {
    "r": 10,
    "g": 18,
    "b": 28
  },
  "hsl": {
    "h": 213.333,
    "s": 47.368,
    "l": 7.451
  },
  "oklch": {
    "l": 0.17962,
    "c": 0.02411,
    "h": 254.4
  },
  "luminance": 0.00581
}

Semantic roles & 50–950 ramp

primary

#0A121C

secondary

#56432B

accent

#9B51D7

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010203

muted

#777878

Preview Lab

Preview with #0A121C

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

Preview Lab → · Contrast checker → · Palette generator →