#09212B#09212B

#09212B is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.4% C 0.035 H 228.5°. Best body text is #FFFFFF at 16.61:1 contrast (WCAG AA passes).

Color values

HEX	#09212B
RGB	rgb(9, 33, 43)
HSL	hsl(198, 65%, 10%)
HSV	hsv(198, 79%, 17%)
CMYK	cmyk(79.1%, 23.3%, 0%, 83.1%)
CIE-LAB	lab(11.42, -5.33, -9.44)
CIE-LCH	lch(11.42, 10.84, 240.54°)
OKLab	oklab(23.41% -0.0234 -0.0264)
OKLCH	oklch(23.41% 0.035 228.5)
XYZ	xyz(1.0924, 1.3201, 2.4823)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09212B #2B1309

analogous

#092B24 #09212B #09102B

triadic

#09212B #2B0921 #212B09

tetradic

#09212B #24092B #2B1309 #102B09

square

#09212B #24092B #2B1309 #102B09

split-complementary

#09212B #2B0910 #2B2409

monochromatic

#051319 #051319 #09212B #14485E #1E6F90

Accessibility & contrast

On white

16.61

#09212B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#09212B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09212B

16.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09212B	#FFFFFF	#000000	##FFFFFF
##09212B	1.00	16.61	1.26	16.61
#FFFFFF	16.61	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C202C

Deuteranopia (green-blind)

#171D2B

Tritanopia (blue-blind)

#002424

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #09212b;
/* rgb */ color: rgb(9, 33, 43);
/* oklch */ color: oklch(23.4% 0.035 228.5);

Tailwind

colors: {
  custom: {
    50: '#4d5c64',
    500: '#09212b',
    950: '#000000',
  },
}

SCSS

$custom: #09212b;
$custom-light: #4d5c64;
$custom-dark: #000000;

JSON

{
  "hex": "#09212b",
  "rgb": {
    "r": 9,
    "g": 33,
    "b": 43
  },
  "hsl": {
    "h": 197.647,
    "s": 65.385,
    "l": 10.196
  },
  "oklch": {
    "l": 0.23411,
    "c": 0.03525,
    "h": 228.5
  },
  "luminance": 0.0132
}

Semantic roles & 50–950 ramp

primary

#09212B

secondary

#693A27

accent

#713FE8

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#010405

muted

#777979

Preview Lab

Preview with #09212B

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

Preview Lab → · Contrast checker → · Palette generator →