#090B2B#090B2B

#090B2B is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.3% C 0.064 H 274.8°. Best body text is #FFFFFF at 19.19:1 contrast (WCAG AA passes).

Color values

HEX	#090B2B
RGB	rgb(9, 11, 43)
HSL	hsl(236, 65%, 10%)
HSV	hsv(236, 79%, 17%)
CMYK	cmyk(79.1%, 74.4%, 0%, 83.1%)
CIE-LAB	lab(4.26, 9.00, -20.68)
CIE-LCH	lch(4.26, 22.55, 293.53°)
OKLab	oklab(17.25% 0.0053 -0.0635)
OKLCH	oklch(17.25% 0.064 274.8)
XYZ	xyz(0.6682, 0.4718, 2.3409)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.32

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#090B2B #2B2909

analogous

#091C2B #090B2B #18092B

triadic

#090B2B #2B090B #0B2B09

tetradic

#090B2B #2B091C #2B2909 #092B18

square

#090B2B #2B091C #2B2909 #092B18

split-complementary

#090B2B #2B1809 #1C2B09

monochromatic

#050619 #050619 #090B2B #14185E #1E2590

Accessibility & contrast

On white

19.19

#090B2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#090B2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #090B2B

19.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##090B2B	#FFFFFF	#000000	##FFFFFF
##090B2B	1.00	19.19	1.09	19.19
#FFFFFF	19.19	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102C

Deuteranopia (green-blind)

#000D2A

Tritanopia (blue-blind)

#001319

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #090b2b;
/* rgb */ color: rgb(9, 11, 43);
/* oklch */ color: oklch(17.3% 0.064 274.8);

Tailwind

colors: {
  custom: {
    50: '#4c4b64',
    500: '#090b2b',
    950: '#000000',
  },
}

SCSS

$custom: #090b2b;
$custom-light: #4c4b64;
$custom-dark: #000000;

JSON

{
  "hex": "#090b2b",
  "rgb": {
    "r": 9,
    "g": 11,
    "b": 43
  },
  "hsl": {
    "h": 236.471,
    "s": 65.385,
    "l": 10.196
  },
  "oklch": {
    "l": 0.1725,
    "c": 0.06376,
    "h": 274.8
  },
  "luminance": 0.00472
}

Semantic roles & 50–950 ramp

primary

#090B2B

secondary

#696527

accent

#DE3FE8

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #090B2B

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

Preview Lab → · Contrast checker → · Palette generator →