#290B37#290B37

#290B37 is a very dark, moderate purple. Relative luminance 0.010; OKLCH L 22.5% C 0.085 H 312.9°. Best body text is #FFFFFF at 17.54:1 contrast (WCAG AA passes).

Color values

HEX	#290B37
RGB	rgb(41, 11, 55)
HSL	hsl(281, 67%, 13%)
HSV	hsv(281, 80%, 22%)
CMYK	cmyk(25.5%, 80%, 0%, 78.4%)
CIE-LAB	lab(8.88, 24.12, -21.96)
CIE-LCH	lch(8.88, 32.62, 317.68°)
OKLab	oklab(22.51% 0.0576 -0.0619)
OKLCH	oklch(22.51% 0.085 312.9)
XYZ	xyz(1.7236, 0.9866, 3.7133)
Luminance	0.0099 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#290B37 #19370B

analogous

#130B37 #290B37 #370B2F

triadic

#290B37 #37290B #0B3729

tetradic

#290B37 #37130B #19370B #0B2F37

square

#290B37 #37130B #19370B #0B2F37

split-complementary

#290B37 #2F370B #0B3713

monochromatic

#13051A #13051A #290B37 #4F156A #751F9D

Accessibility & contrast

On white

17.54

#290B37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#290B37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #290B37

17.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##290B37	#FFFFFF	#000000	##FFFFFF
##290B37	1.00	17.54	1.20	17.54
#FFFFFF	17.54	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001838

Deuteranopia (green-blind)

#081A36

Tritanopia (blue-blind)

#28141F

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #290b37;
/* rgb */ color: rgb(41, 11, 55);
/* oklch */ color: oklch(22.5% 0.085 312.9);

Tailwind

colors: {
  custom: {
    50: '#654d6e',
    500: '#290b37',
    950: '#000000',
  },
}

SCSS

$custom: #290b37;
$custom-light: #654d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#290b37",
  "rgb": {
    "r": 41,
    "g": 11,
    "b": 55
  },
  "hsl": {
    "h": 280.909,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.22506,
    "c": 0.08459,
    "h": 312.9
  },
  "luminance": 0.00987
}

Semantic roles & 50–950 ramp

primary

#290B37

secondary

#42742A

accent

#EA3E75

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060107

muted

#7A777A

Preview Lab

Preview with #290B37

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

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