#090231#090231

#090231 is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.8% C 0.089 H 278.7°. Best body text is #FFFFFF at 19.73:1 contrast (WCAG AA passes).

Color values

HEX	#090231
RGB	rgb(9, 2, 49)
HSL	hsl(249, 92%, 10%)
HSV	hsv(249, 96%, 19%)
CMYK	cmyk(81.6%, 95.9%, 0%, 80.8%)
CIE-LAB	lab(2.92, 15.62, -27.32)
CIE-LCH	lch(2.92, 31.47, 299.76°)
OKLab	oklab(15.83% 0.0135 -0.0877)
OKLCH	oklch(15.83% 0.089 278.7)
XYZ	xyz(0.6886, 0.3232, 2.9312)
Luminance	0.0032 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight

#03012D

ΔE00 1.88

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#090231 #2A3102

analogous

#021331 #090231 #200231

triadic

#090231 #310902 #023109

tetradic

#090231 #310213 #2A3102 #023120

square

#090231 #310213 #2A3102 #023120

split-complementary

#090231 #312002 #133102

monochromatic

#05011D #05011D #090231 #14046C #1F07A7

Accessibility & contrast

On white

19.73

#090231 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#090231 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #090231

19.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##090231	#FFFFFF	#000000	##FFFFFF
##090231	1.00	19.73	1.06	19.73
#FFFFFF	19.73	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C32

Deuteranopia (green-blind)

#000930

Tritanopia (blue-blind)

#000F19

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #090231;
/* rgb */ color: rgb(9, 2, 49);
/* oklch */ color: oklch(15.8% 0.089 278.7);

Tailwind

colors: {
  custom: {
    50: '#4d4769',
    500: '#090231',
    950: '#000000',
  },
}

SCSS

$custom: #090231;
$custom-light: #4d4769;
$custom-dark: #000000;

JSON

{
  "hex": "#090231",
  "rgb": {
    "r": 9,
    "g": 2,
    "b": 49
  },
  "hsl": {
    "h": 248.936,
    "s": 92.157,
    "l": 10
  },
  "oklch": {
    "l": 0.15832,
    "c": 0.08872,
    "h": 278.7
  },
  "luminance": 0.00323
}

Semantic roles & 50–950 ramp

primary

#090231

secondary

#687519

accent

#FF29DF

background

#F4F3F6

surface

#E7E5EB

border

#C3C1C6

text

#020006

muted

#78777A

Preview Lab

Preview with #090231

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

Preview Lab → · Contrast checker → · Palette generator →