#280B4E#280B4E

#280B4E is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 24.5% C 0.112 H 296.7°. Best body text is #FFFFFF at 16.82:1 contrast (WCAG AA passes).

Color values

HEX	#280B4E
RGB	rgb(40, 11, 78)
HSL	hsl(266, 75%, 17%)
HSV	hsv(266, 86%, 31%)
CMYK	cmyk(48.7%, 85.9%, 0%, 69.4%)
CIE-LAB	lab(10.85, 30.32, -35.03)
CIE-LCH	lch(10.85, 46.33, 310.88°)
OKLab	oklab(24.53% 0.0504 -0.1003)
OKLCH	oklch(24.53% 0.112 296.7)
XYZ	xyz(2.3695, 1.2405, 7.3208)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B4E #314E0B

analogous

#0B104E #280B4E #490B4E

triadic

#280B4E #4E280B #0B4E28

tetradic

#280B4E #4E0B10 #314E0B #0B4E49

square

#280B4E #4E0B10 #314E0B #0B4E49

split-complementary

#280B4E #4E490B #104E0B

monochromatic

#0E041B #0E041B #280B4E #441384 #5F1AB9

Accessibility & contrast

On white

16.82

#280B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#280B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B4E

16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B4E	#FFFFFF	#000000	##FFFFFF
##280B4E	1.00	16.82	1.25	16.82
#FFFFFF	16.82	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D50

Deuteranopia (green-blind)

#001C4D

Tritanopia (blue-blind)

#1E1E2C

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #280b4e;
/* rgb */ color: rgb(40, 11, 78);
/* oklch */ color: oklch(24.5% 0.112 296.7);

Tailwind

colors: {
  custom: {
    50: '#674e80',
    500: '#280b4e',
    950: '#000000',
  },
}

SCSS

$custom: #280b4e;
$custom-light: #674e80;
$custom-dark: #000000;

JSON

{
  "hex": "#280b4e",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 78
  },
  "hsl": {
    "h": 265.97,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.2453,
    "c": 0.11231,
    "h": 296.7
  },
  "luminance": 0.01241
}

Semantic roles & 50–950 ramp

primary

#280B4E

secondary

#618A2B

accent

#F236A1

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#06020A

muted

#7A787C

Preview Lab

Preview with #280B4E

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

Preview Lab → · Contrast checker → · Palette generator →