#09172A#09172A

#09172A is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 20.3% C 0.043 H 256.5°. Best body text is #FFFFFF at 17.99:1 contrast (WCAG AA passes).

Color values

HEX	#09172A
RGB	rgb(9, 23, 42)
HSL	hsl(215, 65%, 10%)
HSV	hsv(215, 79%, 16%)
CMYK	cmyk(78.6%, 45.2%, 0%, 83.5%)
CIE-LAB	lab(7.57, 1.65, -14.71)
CIE-LCH	lch(7.57, 14.80, 276.40°)
OKLab	oklab(20.35% -0.01 -0.0418)
OKLCH	oklch(20.35% 0.043 256.5)
XYZ	xyz(0.8368, 0.8380, 2.3077)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09172A #2A1C09

analogous

#09282A #09172A #0B092A

triadic

#09172A #2A0917 #172A09

tetradic

#09172A #2A0928 #2A1C09 #092A0B

square

#09172A #2A0928 #2A1C09 #092A0B

split-complementary

#09172A #2A0B09 #282A09

monochromatic

#050E19 #050E19 #09172A #14335C #1F4E8F

Accessibility & contrast

On white

17.99

#09172A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#09172A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09172A

17.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09172A	#FFFFFF	#000000	##FFFFFF
##09172A	1.00	17.99	1.17	17.99
#FFFFFF	17.99	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F182B

Deuteranopia (green-blind)

#0A152A

Tritanopia (blue-blind)

#001B1E

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #09172a;
/* rgb */ color: rgb(9, 23, 42);
/* oklch */ color: oklch(20.3% 0.043 256.5);

Tailwind

colors: {
  custom: {
    50: '#4c5363',
    500: '#09172a',
    950: '#000000',
  },
}

SCSS

$custom: #09172a;
$custom-light: #4c5363;
$custom-dark: #000000;

JSON

{
  "hex": "#09172a",
  "rgb": {
    "r": 9,
    "g": 23,
    "b": 42
  },
  "hsl": {
    "h": 214.545,
    "s": 64.706,
    "l": 10
  },
  "oklch": {
    "l": 0.20349,
    "c": 0.04296,
    "h": 256.5
  },
  "luminance": 0.00838
}

Semantic roles & 50–950 ramp

primary

#09172A

secondary

#684C27

accent

#A140E8

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#010205

muted

#777879

Preview Lab

Preview with #09172A

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

Preview Lab → · Contrast checker → · Palette generator →