#09181F#09181F

#09181F is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 19.9% C 0.025 H 229.9°. Best body text is #FFFFFF at 18.07:1 contrast (WCAG AA passes).

Color values

HEX	#09181F
RGB	rgb(9, 24, 31)
HSL	hsl(199, 55%, 8%)
HSV	hsv(199, 71%, 12%)
CMYK	cmyk(71%, 22.6%, 0%, 87.8%)
CIE-LAB	lab(7.32, -3.42, -6.83)
CIE-LCH	lch(7.32, 7.64, 243.38°)
OKLab	oklab(19.93% -0.0161 -0.0191)
OKLCH	oklch(19.93% 0.025 229.9)
XYZ	xyz(0.6865, 0.8102, 1.4163)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09181F #1F1009

analogous

#091F1B #09181F #090D1F

triadic

#09181F #1F0918 #181F09

tetradic

#09181F #1B091F #1F1009 #0D1F09

square

#09181F #1B091F #1F1009 #0D1F09

split-complementary

#09181F #1F090D #1F1B09

monochromatic

#071218 #071218 #09181F #173D4E #25617E

Accessibility & contrast

On white

18.07

#09181F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#09181F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09181F

18.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09181F	#FFFFFF	#000000	##FFFFFF
##09181F	1.00	18.07	1.16	18.07
#FFFFFF	18.07	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14181F

Deuteranopia (green-blind)

#11151F

Tritanopia (blue-blind)

#011A1A

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #09181f;
/* rgb */ color: rgb(9, 24, 31);
/* oklch */ color: oklch(19.9% 0.025 229.9);

Tailwind

colors: {
  custom: {
    50: '#4a545a',
    500: '#09181f',
    950: '#000000',
  },
}

SCSS

$custom: #09181f;
$custom-light: #4a545a;
$custom-dark: #000000;

JSON

{
  "hex": "#09181f",
  "rgb": {
    "r": 9,
    "g": 24,
    "b": 31
  },
  "hsl": {
    "h": 199.091,
    "s": 55,
    "l": 7.843
  },
  "oklch": {
    "l": 0.19929,
    "c": 0.02496,
    "h": 229.9
  },
  "luminance": 0.0081
}

Semantic roles & 50–950 ramp

primary

#09181F

secondary

#5B3929

accent

#7949DE

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010203

muted

#777878

Preview Lab

Preview with #09181F

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

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