#090B31#090B31

#090B31 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.9% C 0.074 H 273.8°. Best body text is #FFFFFF at 19.03:1 contrast (WCAG AA passes).

Color values

HEX	#090B31
RGB	rgb(9, 11, 49)
HSL	hsl(237, 69%, 11%)
HSV	hsv(237, 82%, 19%)
CMYK	cmyk(81.6%, 77.6%, 0%, 80.8%)
CIE-LAB	lab(4.69, 12.01, -24.49)
CIE-LCH	lch(4.69, 27.28, 296.12°)
OKLab	oklab(17.91% 0.0049 -0.0737)
OKLCH	oklch(17.91% 0.074 273.8)
XYZ	xyz(0.7865, 0.5191, 2.9639)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#090B31 #312F09

analogous

#091F31 #090B31 #1B0931

triadic

#090B31 #31090B #0B3109

tetradic

#090B31 #31091F #312F09 #09311B

square

#090B31 #31091F #312F09 #09311B

split-complementary

#090B31 #311B09 #1F3109

monochromatic

#05061A #05061A #090B31 #121765 #1C2298

Accessibility & contrast

On white

19.03

#090B31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#090B31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #090B31

19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##090B31	#FFFFFF	#000000	##FFFFFF
##090B31	1.00	19.03	1.10	19.03
#FFFFFF	19.03	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001232

Deuteranopia (green-blind)

#000E30

Tritanopia (blue-blind)

#00151C

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #090b31;
/* rgb */ color: rgb(9, 11, 49);
/* oklch */ color: oklch(17.9% 0.074 273.8);

Tailwind

colors: {
  custom: {
    50: '#4e4b69',
    500: '#090b31',
    950: '#000000',
  },
}

SCSS

$custom: #090b31;
$custom-light: #4e4b69;
$custom-dark: #000000;

JSON

{
  "hex": "#090b31",
  "rgb": {
    "r": 9,
    "g": 11,
    "b": 49
  },
  "hsl": {
    "h": 237,
    "s": 68.966,
    "l": 11.373
  },
  "oklch": {
    "l": 0.17908,
    "c": 0.07387,
    "h": 273.8
  },
  "luminance": 0.00519
}

Semantic roles & 50–950 ramp

primary

#090B31

secondary

#6F6B27

accent

#E33CEC

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #090B31

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

Preview Lab → · Contrast checker → · Palette generator →