#0A212E#0A212E

#0A212E is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.6% C 0.038 H 236.3°. Best body text is #FFFFFF at 16.54:1 contrast (WCAG AA passes).

Color values

HEX	#0A212E
RGB	rgb(10, 33, 46)
HSL	hsl(202, 64%, 11%)
HSV	hsv(202, 78%, 18%)
CMYK	cmyk(78.3%, 28.3%, 0%, 82%)
CIE-LAB	lab(11.62, -3.85, -11.30)
CIE-LCH	lch(11.62, 11.94, 251.17°)
OKLab	oklab(23.64% -0.0211 -0.0317)
OKLCH	oklch(23.64% 0.038 236.3)
XYZ	xyz(1.1620, 1.3494, 2.7835)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A212E #2E170A

analogous

#0A2E29 #0A212E #0A0F2E

triadic

#0A212E #2E0A21 #212E0A

tetradic

#0A212E #290A2E #2E170A #0F2E0A

square

#0A212E #290A2E #2E170A #0F2E0A

split-complementary

#0A212E #2E0A0F #2E290A

monochromatic

#051219 #051219 #0A212E #154560 #206993

Accessibility & contrast

On white

16.54

#0A212E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#0A212E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A212E

16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A212E	#FFFFFF	#000000	##FFFFFF
##0A212E	1.00	16.54	1.27	16.54
#FFFFFF	16.54	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B212F

Deuteranopia (green-blind)

#161D2E

Tritanopia (blue-blind)

#002425

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0a212e;
/* rgb */ color: rgb(10, 33, 46);
/* oklch */ color: oklch(23.6% 0.038 236.3);

Tailwind

colors: {
  custom: {
    50: '#4e5c66',
    500: '#0a212e',
    950: '#000000',
  },
}

SCSS

$custom: #0a212e;
$custom-light: #4e5c66;
$custom-dark: #000000;

JSON

{
  "hex": "#0a212e",
  "rgb": {
    "r": 10,
    "g": 33,
    "b": 46
  },
  "hsl": {
    "h": 201.667,
    "s": 64.286,
    "l": 10.98
  },
  "oklch": {
    "l": 0.23635,
    "c": 0.03811,
    "h": 236.3
  },
  "luminance": 0.01349
}

Semantic roles & 50–950 ramp

primary

#0A212E

secondary

#6B4129

accent

#7D41E7

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020406

muted

#78797A

Preview Lab

Preview with #0A212E

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

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