#280B3D#280B3D

#280B3D is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.9% C 0.092 H 307.0°. Best body text is #FFFFFF at 17.42:1 contrast (WCAG AA passes).

Color values

HEX	#280B3D
RGB	rgb(40, 11, 61)
HSL	hsl(275, 69%, 14%)
HSV	hsv(275, 82%, 24%)
CMYK	cmyk(34.4%, 82%, 0%, 76.1%)
CIE-LAB	lab(9.22, 25.48, -25.75)
CIE-LCH	lch(9.22, 36.23, 314.70°)
OKLab	oklab(22.87% 0.0551 -0.0731)
OKLCH	oklch(22.87% 0.092 307)
XYZ	xyz(1.8369, 1.0274, 4.5155)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B3D #203D0B

analogous

#0F0B3D #280B3D #3D0B39

triadic

#280B3D #3D280B #0B3D28

tetradic

#280B3D #3D0F0B #203D0B #0B393D

square

#280B3D #3D0F0B #203D0B #0B393D

split-complementary

#280B3D #393D0B #0B3D0F

monochromatic

#11051A #11051A #280B3D #4A1471 #6C1EA5

Accessibility & contrast

On white

17.42

#280B3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#280B3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B3D

17.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B3D	#FFFFFF	#000000	##FFFFFF
##280B3D	1.00	17.42	1.21	17.42
#FFFFFF	17.42	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193E

Deuteranopia (green-blind)

#001A3C

Tritanopia (blue-blind)

#241723

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #280b3d;
/* rgb */ color: rgb(40, 11, 61);
/* oklch */ color: oklch(22.9% 0.092 307.0);

Tailwind

colors: {
  custom: {
    50: '#654d73',
    500: '#280b3d',
    950: '#000000',
  },
}

SCSS

$custom: #280b3d;
$custom-light: #654d73;
$custom-dark: #000000;

JSON

{
  "hex": "#280b3d",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 61
  },
  "hsl": {
    "h": 274.8,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.22872,
    "c": 0.09153,
    "h": 307
  },
  "luminance": 0.01027
}

Semantic roles & 50–950 ramp

primary

#280B3D

secondary

#4C7A2A

accent

#EC3C86

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#060108

muted

#7A777B

Preview Lab

Preview with #280B3D

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

Preview Lab → · Contrast checker → · Palette generator →