#09111F#09111F

#09111F is a very dark, muted blue. Relative luminance 0.006; OKLCH L 17.8% C 0.032 H 261.0°. Best body text is #FFFFFF at 18.89:1 contrast (WCAG AA passes).

Color values

HEX	#09111F
RGB	rgb(9, 17, 31)
HSL	hsl(218, 55%, 8%)
HSV	hsv(218, 71%, 12%)
CMYK	cmyk(71%, 45.2%, 0%, 87.8%)
CIE-LAB	lab(5.04, 1.23, -10.29)
CIE-LCH	lch(5.04, 10.36, 276.82°)
OKLab	oklab(17.78% -0.005 -0.0313)
OKLCH	oklch(17.78% 0.032 261)
XYZ	xyz(0.5603, 0.5579, 1.3742)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09111F #1F1709

analogous

#091C1F #09111F #0C091F

triadic

#09111F #1F0911 #111F09

tetradic

#09111F #1F091C #1F1709 #091F0C

square

#09111F #1F091C #1F1709 #091F0C

split-complementary

#09111F #1F0C09 #1C1F09

monochromatic

#070D18 #070D18 #09111F #172B4E #25457E

Accessibility & contrast

On white

18.89

#09111F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#09111F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09111F

18.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09111F	#FFFFFF	#000000	##FFFFFF
##09111F	1.00	18.89	1.11	18.89
#FFFFFF	18.89	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B1220

Deuteranopia (green-blind)

#09101F

Tritanopia (blue-blind)

#021416

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #09111f;
/* rgb */ color: rgb(9, 17, 31);
/* oklch */ color: oklch(17.8% 0.032 261.0);

Tailwind

colors: {
  custom: {
    50: '#4a4f5a',
    500: '#09111f',
    950: '#000000',
  },
}

SCSS

$custom: #09111f;
$custom-light: #4a4f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#09111f",
  "rgb": {
    "r": 9,
    "g": 17,
    "b": 31
  },
  "hsl": {
    "h": 218.182,
    "s": 55,
    "l": 7.843
  },
  "oklch": {
    "l": 0.17783,
    "c": 0.03165,
    "h": 261
  },
  "luminance": 0.00558
}

Semantic roles & 50–950 ramp

primary

#09111F

secondary

#5B4929

accent

#A849DE

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010103

muted

#777778

Preview Lab

Preview with #09111F

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

Preview Lab → · Contrast checker → · Palette generator →