#090F2F#090F2F

#090F2F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.6% C 0.064 H 270.8°. Best body text is #FFFFFF at 18.73:1 contrast (WCAG AA passes).

Color values

HEX	#090F2F
RGB	rgb(9, 15, 47)
HSL	hsl(231, 68%, 11%)
HSV	hsv(231, 81%, 18%)
CMYK	cmyk(80.9%, 68.1%, 0%, 81.6%)
CIE-LAB	lab(5.46, 9.07, -21.77)
CIE-LCH	lch(5.46, 23.58, 292.62°)
OKLab	oklab(18.62% 0.0009 -0.0643)
OKLCH	oklch(18.62% 0.064 270.8)
XYZ	xyz(0.7964, 0.6049, 2.7636)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.05

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#090F2F #2F2909

analogous

#09222F #090F2F #16092F

triadic

#090F2F #2F090F #0F2F09

tetradic

#090F2F #2F0922 #2F2909 #092F16

square

#090F2F #2F0922 #2F2909 #092F16

split-complementary

#090F2F #2F1609 #222F09

monochromatic

#05081A #05081A #090F2F #131F62 #1D3096

Accessibility & contrast

On white

18.73

#090F2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#090F2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #090F2F

18.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##090F2F	#FFFFFF	#000000	##FFFFFF
##090F2F	1.00	18.73	1.12	18.73
#FFFFFF	18.73	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001430

Deuteranopia (green-blind)

#00102E

Tritanopia (blue-blind)

#00171D

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #090f2f;
/* rgb */ color: rgb(9, 15, 47);
/* oklch */ color: oklch(18.6% 0.064 270.8);

Tailwind

colors: {
  custom: {
    50: '#4d4d68',
    500: '#090f2f',
    950: '#000000',
  },
}

SCSS

$custom: #090f2f;
$custom-light: #4d4d68;
$custom-dark: #000000;

JSON

{
  "hex": "#090f2f",
  "rgb": {
    "r": 9,
    "g": 15,
    "b": 47
  },
  "hsl": {
    "h": 230.526,
    "s": 67.857,
    "l": 10.98
  },
  "oklch": {
    "l": 0.18621,
    "c": 0.06428,
    "h": 270.8
  },
  "luminance": 0.00605
}

Semantic roles & 50–950 ramp

primary

#090F2F

secondary

#6D6227

accent

#CF3DEB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #090F2F

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

Preview Lab → · Contrast checker → · Palette generator →