#090A39#090A39

#090A39 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.7% C 0.088 H 273.0°. Best body text is #FFFFFF at 18.85:1 contrast (WCAG AA passes).

Color values

HEX	#090A39
RGB	rgb(9, 10, 57)
HSL	hsl(239, 73%, 13%)
HSV	hsv(239, 84%, 22%)
CMYK	cmyk(84.2%, 82.5%, 0%, 77.6%)
CIE-LAB	lab(5.15, 16.88, -29.62)
CIE-LCH	lch(5.15, 34.10, 299.68°)
OKLab	oklab(18.65% 0.0046 -0.0878)
OKLCH	oklch(18.65% 0.088 273)
XYZ	xyz(0.9595, 0.5705, 3.9296)
Luminance	0.0057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#090A39 #393809

analogous

#092239 #090A39 #200939

triadic

#090A39 #39090A #0A3909

tetradic

#090A39 #390922 #393809 #093920

square

#090A39 #390922 #393809 #093920

split-complementary

#090A39 #392009 #223909

monochromatic

#04051A #04051A #090A39 #11136E #1A1DA3

Accessibility & contrast

On white

18.85

#090A39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#090A39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #090A39

18.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##090A39	#FFFFFF	#000000	##FFFFFF
##090A39	1.00	18.85	1.11	18.85
#FFFFFF	18.85	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143A

Deuteranopia (green-blind)

#000F38

Tritanopia (blue-blind)

#001720

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #090a39;
/* rgb */ color: rgb(9, 10, 57);
/* oklch */ color: oklch(18.7% 0.088 273.0);

Tailwind

colors: {
  custom: {
    50: '#514a70',
    500: '#090a39',
    950: '#000000',
  },
}

SCSS

$custom: #090a39;
$custom-light: #514a70;
$custom-dark: #000000;

JSON

{
  "hex": "#090a39",
  "rgb": {
    "r": 9,
    "g": 10,
    "b": 57
  },
  "hsl": {
    "h": 238.75,
    "s": 72.727,
    "l": 12.941
  },
  "oklch": {
    "l": 0.18652,
    "c": 0.08793,
    "h": 273
  },
  "luminance": 0.00571
}

Semantic roles & 50–950 ramp

primary

#090A39

secondary

#777527

accent

#EC38EF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #090A39

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

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