#280B56#280B56

#280B56 is a dark, vivid violet. Relative luminance 0.014; OKLCH L 25.4% C 0.122 H 292.9°. Best body text is #FFFFFF at 16.50:1 contrast (WCAG AA passes).

Color values

HEX	#280B56
RGB	rgb(40, 11, 86)
HSL	hsl(263, 77%, 19%)
HSV	hsv(263, 87%, 34%)
CMYK	cmyk(53.5%, 87.2%, 0%, 66.3%)
CIE-LAB	lab(11.70, 32.65, -39.11)
CIE-LCH	lch(11.70, 50.95, 309.86°)
OKLab	oklab(25.38% 0.0476 -0.1123)
OKLCH	oklch(25.38% 0.122 292.9)
XYZ	xyz(2.6740, 1.3623, 8.9243)
Luminance	0.0136 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B56 #39560B

analogous

#0B1456 #280B56 #4E0B56

triadic

#280B56 #56280B #0B5628

tetradic

#280B56 #560B14 #39560B #0B564E

square

#280B56 #560B14 #39560B #0B564E

split-complementary

#280B56 #564E0B #14560B

monochromatic

#0D031B #0F0420 #280B56 #41128C #5A19C3

Accessibility & contrast

On white

16.50

#280B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#280B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B56

16.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B56	#FFFFFF	#000000	##FFFFFF
##280B56	1.00	16.50	1.27	16.50
#FFFFFF	16.50	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002058

Deuteranopia (green-blind)

#001D55

Tritanopia (blue-blind)

#192131

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #280b56;
/* rgb */ color: rgb(40, 11, 86);
/* oklch */ color: oklch(25.4% 0.122 292.9);

Tailwind

colors: {
  custom: {
    50: '#684e86',
    500: '#280b56',
    950: '#000000',
  },
}

SCSS

$custom: #280b56;
$custom-light: #684e86;
$custom-dark: #000000;

JSON

{
  "hex": "#280b56",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 86
  },
  "hsl": {
    "h": 263.2,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.2538,
    "c": 0.12196,
    "h": 292.9
  },
  "luminance": 0.01362
}

Semantic roles & 50–950 ramp

primary

#280B56

secondary

#6A912B

accent

#F434AA

background

#F6F4F8

surface

#EBE7EF

border

#C6C3CA

text

#07020B

muted

#7A787C

Preview Lab

Preview with #280B56

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

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