#090B39#090B39

#090B39 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.8% C 0.087 H 272.6°. Best body text is #FFFFFF at 18.77:1 contrast (WCAG AA passes).

Color values

HEX	#090B39
RGB	rgb(9, 11, 57)
HSL	hsl(238, 73%, 13%)
HSV	hsv(238, 84%, 22%)
CMYK	cmyk(84.2%, 80.7%, 0%, 77.6%)
CIE-LAB	lab(5.35, 16.43, -29.30)
CIE-LCH	lch(5.35, 33.59, 299.29°)
OKLab	oklab(18.84% 0.0039 -0.0865)
OKLCH	oklch(18.84% 0.087 272.6)
XYZ	xyz(0.9706, 0.5927, 3.9334)
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

#090B39 #393709

analogous

#092339 #090B39 #1F0939

triadic

#090B39 #39090B #0B3909

tetradic

#090B39 #390923 #393709 #09391F

square

#090B39 #390923 #393709 #09391F

split-complementary

#090B39 #391F09 #233909

monochromatic

#04051A #04051A #090B39 #11156E #1A1FA3

Accessibility & contrast

On white

18.77

#090B39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#090B39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #090B39

18.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##090B39	#FFFFFF	#000000	##FFFFFF
##090B39	1.00	18.77	1.12	18.77
#FFFFFF	18.77	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143A

Deuteranopia (green-blind)

#000F38

Tritanopia (blue-blind)

#001820

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #090b39;
/* rgb */ color: rgb(9, 11, 57);
/* oklch */ color: oklch(18.8% 0.087 272.6);

Tailwind

colors: {
  custom: {
    50: '#514b70',
    500: '#090b39',
    950: '#000000',
  },
}

SCSS

$custom: #090b39;
$custom-light: #514b70;
$custom-dark: #000000;

JSON

{
  "hex": "#090b39",
  "rgb": {
    "r": 9,
    "g": 11,
    "b": 57
  },
  "hsl": {
    "h": 237.5,
    "s": 72.727,
    "l": 12.941
  },
  "oklch": {
    "l": 0.18844,
    "c": 0.08663,
    "h": 272.6
  },
  "luminance": 0.00593
}

Semantic roles & 50–950 ramp

primary

#090B39

secondary

#777427

accent

#E838EF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #090B39

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

Preview Lab → · Contrast checker → · Palette generator →