#09151B#09151B

#09151B is a very dark, muted cyan. Relative luminance 0.007; OKLCH L 18.8% C 0.021 H 231.1°. Best body text is #FFFFFF at 18.51:1 contrast (WCAG AA passes).

Color values

HEX	#09151B
RGB	rgb(9, 21, 27)
HSL	hsl(200, 50%, 7%)
HSV	hsv(200, 67%, 11%)
CMYK	cmyk(66.7%, 22.2%, 0%, 89.4%)
CIE-LAB	lab(6.08, -2.52, -5.63)
CIE-LCH	lch(6.08, 6.17, 245.88°)
OKLab	oklab(18.76% -0.0133 -0.0164)
OKLCH	oklch(18.76% 0.021 231.1)
XYZ	xyz(0.5786, 0.6735, 1.1362)
Luminance	0.0067 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09151B #1B0F09

analogous

#091B18 #09151B #090C1B

triadic

#09151B #1B0915 #151B09

tetradic

#09151B #18091B #1B0F09 #0C1B09

square

#09151B #18091B #1B0F09 #0C1B09

split-complementary

#09151B #1B090C #1B1809

monochromatic

#081217 #081217 #09151B #183949 #285C77

Accessibility & contrast

On white

18.51

#09151B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#09151B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09151B

18.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09151B	#FFFFFF	#000000	##FFFFFF
##09151B	1.00	18.51	1.13	18.51
#FFFFFF	18.51	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12151B

Deuteranopia (green-blind)

#0F131B

Tritanopia (blue-blind)

#031717

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #09151b;
/* rgb */ color: rgb(9, 21, 27);
/* oklch */ color: oklch(18.8% 0.021 231.1);

Tailwind

colors: {
  custom: {
    50: '#4a5257',
    500: '#09151b',
    950: '#000000',
  },
}

SCSS

$custom: #09151b;
$custom-light: #4a5257;
$custom-dark: #000000;

JSON

{
  "hex": "#09151b",
  "rgb": {
    "r": 9,
    "g": 21,
    "b": 27
  },
  "hsl": {
    "h": 200,
    "s": 50,
    "l": 7.059
  },
  "oklch": {
    "l": 0.18756,
    "c": 0.02113,
    "h": 231.1
  },
  "luminance": 0.00674
}

Semantic roles & 50–950 ramp

primary

#09151B

secondary

#56382A

accent

#7D4EDA

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010203

muted

#777878

Preview Lab

Preview with #09151B

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

Preview Lab → · Contrast checker → · Palette generator →