#090A3B#090A3B

#090A3B is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.9% C 0.091 H 272.6°. Best body text is #FFFFFF at 18.78:1 contrast (WCAG AA passes).

Color values

HEX	#090A3B
RGB	rgb(9, 10, 59)
HSL	hsl(239, 74%, 13%)
HSV	hsv(239, 85%, 23%)
CMYK	cmyk(84.7%, 83.1%, 0%, 76.9%)
CIE-LAB	lab(5.34, 17.97, -30.78)
CIE-LCH	lch(5.34, 35.64, 300.28°)
OKLab	oklab(18.9% 0.0042 -0.0909)
OKLCH	oklch(18.9% 0.091 272.6)
XYZ	xyz(1.0104, 0.5908, 4.1976)
Luminance	0.0059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#090A3B #3B3A09

analogous

#09233B #090A3B #21093B

triadic

#090A3B #3B090A #0A3B09

tetradic

#090A3B #3B0923 #3B3A09 #093B21

square

#090A3B #3B0923 #3B3A09 #093B21

split-complementary

#090A3B #3B2109 #233B09

monochromatic

#04051B #04051B #090A3B #111370 #191CA5

Accessibility & contrast

On white

18.78

#090A3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#090A3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #090A3B

18.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##090A3B	#FFFFFF	#000000	##FFFFFF
##090A3B	1.00	18.78	1.12	18.78
#FFFFFF	18.78	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143C

Deuteranopia (green-blind)

#000F3A

Tritanopia (blue-blind)

#001821

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #090a3b;
/* rgb */ color: rgb(9, 10, 59);
/* oklch */ color: oklch(18.9% 0.091 272.6);

Tailwind

colors: {
  custom: {
    50: '#514a71',
    500: '#090a3b',
    950: '#000000',
  },
}

SCSS

$custom: #090a3b;
$custom-light: #514a71;
$custom-dark: #000000;

JSON

{
  "hex": "#090a3b",
  "rgb": {
    "r": 9,
    "g": 10,
    "b": 59
  },
  "hsl": {
    "h": 238.8,
    "s": 73.529,
    "l": 13.333
  },
  "oklch": {
    "l": 0.189,
    "c": 0.09097,
    "h": 272.6
  },
  "luminance": 0.00591
}

Semantic roles & 50–950 ramp

primary

#090A3B

secondary

#797727

accent

#ED38F0

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020108

muted

#78777B

Preview Lab

Preview with #090A3B

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

Preview Lab → · Contrast checker → · Palette generator →