#090F2B#090F2B

#090F2B is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.2% C 0.057 H 270.6°. Best body text is #FFFFFF at 18.84:1 contrast (WCAG AA passes).

Color values

HEX	#090F2B
RGB	rgb(9, 15, 43)
HSL	hsl(229, 65%, 10%)
HSV	hsv(229, 79%, 17%)
CMYK	cmyk(79.1%, 65.1%, 0%, 83.1%)
CIE-LAB	lab(5.19, 7.12, -19.22)
CIE-LCH	lch(5.19, 20.49, 290.32°)
OKLab	oklab(18.23% 0.0006 -0.0572)
OKLCH	oklch(18.23% 0.057 270.6)
XYZ	xyz(0.7194, 0.5741, 2.3579)
Luminance	0.0057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.39

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#090F2B #2B2509

analogous

#09202B #090F2B #14092B

triadic

#090F2B #2B090F #0F2B09

tetradic

#090F2B #2B0920 #2B2509 #092B14

square

#090F2B #2B0920 #2B2509 #092B14

split-complementary

#090F2B #2B1409 #202B09

monochromatic

#050919 #050919 #090F2B #14215E #1E3290

Accessibility & contrast

On white

18.84

#090F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#090F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #090F2B

18.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##090F2B	#FFFFFF	#000000	##FFFFFF
##090F2B	1.00	18.84	1.11	18.84
#FFFFFF	18.84	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02132C

Deuteranopia (green-blind)

#00102A

Tritanopia (blue-blind)

#00161B

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #090f2b;
/* rgb */ color: rgb(9, 15, 43);
/* oklch */ color: oklch(18.2% 0.057 270.6);

Tailwind

colors: {
  custom: {
    50: '#4c4d64',
    500: '#090f2b',
    950: '#000000',
  },
}

SCSS

$custom: #090f2b;
$custom-light: #4c4d64;
$custom-dark: #000000;

JSON

{
  "hex": "#090f2b",
  "rgb": {
    "r": 9,
    "g": 15,
    "b": 43
  },
  "hsl": {
    "h": 229.412,
    "s": 65.385,
    "l": 10.196
  },
  "oklch": {
    "l": 0.18232,
    "c": 0.05721,
    "h": 270.6
  },
  "luminance": 0.00574
}

Semantic roles & 50–950 ramp

primary

#090F2B

secondary

#695D27

accent

#CB3FE8

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #090F2B

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

Preview Lab → · Contrast checker → · Palette generator →