#280B31#280B31

#280B31 is a very dark, moderate purple. Relative luminance 0.009; OKLCH L 21.9% C 0.077 H 317.3°. Best body text is #FFFFFF at 17.76:1 contrast (WCAG AA passes).

Color values

HEX	#280B31
RGB	rgb(40, 11, 49)
HSL	hsl(286, 63%, 12%)
HSV	hsv(286, 78%, 19%)
CMYK	cmyk(18.4%, 77.6%, 0%, 80.8%)
CIE-LAB	lab(8.24, 22.29, -18.61)
CIE-LCH	lch(8.24, 29.04, 320.14°)
OKLab	oklab(21.86% 0.0565 -0.0522)
OKLCH	oklch(21.86% 0.077 317.3)
XYZ	xyz(1.5490, 0.9123, 2.9996)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B31 #14310B

analogous

#150B31 #280B31 #310B27

triadic

#280B31 #31280B #0B3128

tetradic

#280B31 #31150B #14310B #0B2731

square

#280B31 #31150B #14310B #0B2731

split-complementary

#280B31 #27310B #0B3115

monochromatic

#140619 #140619 #280B31 #511663 #7A2195

Accessibility & contrast

On white

17.76

#280B31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#280B31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B31

17.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B31	#FFFFFF	#000000	##FFFFFF
##280B31	1.00	17.76	1.18	17.76
#FFFFFF	17.76	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021632

Deuteranopia (green-blind)

#0C1930

Tritanopia (blue-blind)

#28121C

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #280b31;
/* rgb */ color: rgb(40, 11, 49);
/* oklch */ color: oklch(21.9% 0.077 317.3);

Tailwind

colors: {
  custom: {
    50: '#634c69',
    500: '#280b31',
    950: '#000000',
  },
}

SCSS

$custom: #280b31;
$custom-light: #634c69;
$custom-dark: #000000;

JSON

{
  "hex": "#280b31",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 49
  },
  "hsl": {
    "h": 285.789,
    "s": 63.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.21859,
    "c": 0.07687,
    "h": 317.3
  },
  "luminance": 0.00912
}

Semantic roles & 50–950 ramp

primary

#280B31

secondary

#3A6E2A

accent

#E64168

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#050106

muted

#7A777A

Preview Lab

Preview with #280B31

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

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