#090A2B#090A2B

#090A2B is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.0% C 0.065 H 275.6°. Best body text is #FFFFFF at 19.27:1 contrast (WCAG AA passes).

Color values

HEX	#090A2B
RGB	rgb(9, 10, 43)
HSL	hsl(238, 65%, 10%)
HSV	hsv(238, 79%, 17%)
CMYK	cmyk(79.1%, 76.7%, 0%, 83.1%)
CIE-LAB	lab(4.06, 9.42, -21.00)
CIE-LCH	lch(4.06, 23.01, 294.15°)
OKLab	oklab(17.02% 0.0064 -0.065)
OKLCH	oklch(17.02% 0.065 275.6)
XYZ	xyz(0.6571, 0.4495, 2.3372)
Luminance	0.0045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.10

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#090A2B #2B2A09

analogous

#091B2B #090A2B #19092B

triadic

#090A2B #2B090A #0A2B09

tetradic

#090A2B #2B091B #2B2A09 #092B19

square

#090A2B #2B091B #2B2A09 #092B19

split-complementary

#090A2B #2B1909 #1B2B09

monochromatic

#050619 #050619 #090A2B #14165E #1E2290

Accessibility & contrast

On white

19.27

#090A2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#090A2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #090A2B

19.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##090A2B	#FFFFFF	#000000	##FFFFFF
##090A2B	1.00	19.27	1.09	19.27
#FFFFFF	19.27	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102C

Deuteranopia (green-blind)

#000D2A

Tritanopia (blue-blind)

#001219

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #090a2b;
/* rgb */ color: rgb(9, 10, 43);
/* oklch */ color: oklch(17.0% 0.065 275.6);

Tailwind

colors: {
  custom: {
    50: '#4c4b64',
    500: '#090a2b',
    950: '#000000',
  },
}

SCSS

$custom: #090a2b;
$custom-light: #4c4b64;
$custom-dark: #000000;

JSON

{
  "hex": "#090a2b",
  "rgb": {
    "r": 9,
    "g": 10,
    "b": 43
  },
  "hsl": {
    "h": 238.235,
    "s": 65.385,
    "l": 10.196
  },
  "oklch": {
    "l": 0.17021,
    "c": 0.06535,
    "h": 275.6
  },
  "luminance": 0.0045
}

Semantic roles & 50–950 ramp

primary

#090A2B

secondary

#696727

accent

#E33FE8

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #090A2B

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

Preview Lab → · Contrast checker → · Palette generator →