#09182B#09182B

#09182B is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.7% C 0.043 H 255.2°. Best body text is #FFFFFF at 17.84:1 contrast (WCAG AA passes).

Color values

HEX	#09182B
RGB	rgb(9, 24, 43)
HSL	hsl(214, 65%, 10%)
HSV	hsv(214, 79%, 17%)
CMYK	cmyk(79.1%, 44.2%, 0%, 83.1%)
CIE-LAB	lab(8.00, 1.35, -14.77)
CIE-LCH	lch(8.00, 14.83, 275.22°)
OKLab	oklab(20.71% -0.0111 -0.0419)
OKLCH	oklch(20.71% 0.043 255.2)
XYZ	xyz(0.8752, 0.8857, 2.4099)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09182B #2B1C09

analogous

#09292B #09182B #0B092B

triadic

#09182B #2B0918 #182B09

tetradic

#09182B #2B0929 #2B1C09 #092B0B

square

#09182B #2B0929 #2B1C09 #092B0B

split-complementary

#09182B #2B0B09 #292B09

monochromatic

#050E19 #050E19 #09182B #14345E #1E5090

Accessibility & contrast

On white

17.84

#09182B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#09182B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09182B

17.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09182B	#FFFFFF	#000000	##FFFFFF
##09182B	1.00	17.84	1.18	17.84
#FFFFFF	17.84	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10192C

Deuteranopia (green-blind)

#0B162B

Tritanopia (blue-blind)

#001C1F

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #09182b;
/* rgb */ color: rgb(9, 24, 43);
/* oklch */ color: oklch(20.7% 0.043 255.2);

Tailwind

colors: {
  custom: {
    50: '#4c5464',
    500: '#09182b',
    950: '#000000',
  },
}

SCSS

$custom: #09182b;
$custom-light: #4c5464;
$custom-dark: #000000;

JSON

{
  "hex": "#09182b",
  "rgb": {
    "r": 9,
    "g": 24,
    "b": 43
  },
  "hsl": {
    "h": 213.529,
    "s": 65.385,
    "l": 10.196
  },
  "oklch": {
    "l": 0.20713,
    "c": 0.04334,
    "h": 255.2
  },
  "luminance": 0.00886
}

Semantic roles & 50–950 ramp

primary

#09182B

secondary

#694C27

accent

#9E3FE8

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010205

muted

#77787A

Preview Lab

Preview with #09182B

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

Preview Lab → · Contrast checker → · Palette generator →