#09102C#09102C

#09102C is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.6% C 0.057 H 269.5°. Best body text is #FFFFFF at 18.71:1 contrast (WCAG AA passes).

Color values

HEX	#09102C
RGB	rgb(9, 16, 44)
HSL	hsl(228, 66%, 10%)
HSV	hsv(228, 80%, 17%)
CMYK	cmyk(79.5%, 63.6%, 0%, 82.7%)
CIE-LAB	lab(5.51, 7.06, -19.45)
CIE-LCH	lch(5.51, 20.69, 289.94°)
OKLab	oklab(18.58% -0.0005 -0.0574)
OKLCH	oklch(18.58% 0.057 269.5)
XYZ	xyz(0.7524, 0.6104, 2.4606)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.36

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09102C #2C2509

analogous

#09212C #09102C #13092C

triadic

#09102C #2C0910 #102C09

tetradic

#09102C #2C0921 #2C2509 #092C13

square

#09102C #2C0921 #2C2509 #092C13

split-complementary

#09102C #2C1309 #212C09

monochromatic

#050919 #050919 #09102C #13225F #1E3592

Accessibility & contrast

On white

18.71

#09102C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#09102C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09102C

18.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09102C	#FFFFFF	#000000	##FFFFFF
##09102C	1.00	18.71	1.12	18.71
#FFFFFF	18.71	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02142D

Deuteranopia (green-blind)

#00112B

Tritanopia (blue-blind)

#00171B

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #09102c;
/* rgb */ color: rgb(9, 16, 44);
/* oklch */ color: oklch(18.6% 0.057 269.5);

Tailwind

colors: {
  custom: {
    50: '#4c4e65',
    500: '#09102c',
    950: '#000000',
  },
}

SCSS

$custom: #09102c;
$custom-light: #4c4e65;
$custom-dark: #000000;

JSON

{
  "hex": "#09102c",
  "rgb": {
    "r": 9,
    "g": 16,
    "b": 44
  },
  "hsl": {
    "h": 228,
    "s": 66.038,
    "l": 10.392
  },
  "oklch": {
    "l": 0.18584,
    "c": 0.05736,
    "h": 269.5
  },
  "luminance": 0.00611
}

Semantic roles & 50–950 ramp

primary

#09102C

secondary

#6A5C27

accent

#C73FE9

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #09102C

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

Preview Lab → · Contrast checker → · Palette generator →