#280B37#280B37

#280B37 is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.3% C 0.084 H 311.7°. Best body text is #FFFFFF at 17.60:1 contrast (WCAG AA passes).

Color values

HEX	#280B37
RGB	rgb(40, 11, 55)
HSL	hsl(280, 67%, 13%)
HSV	hsv(280, 80%, 22%)
CMYK	cmyk(27.3%, 80%, 0%, 78.4%)
CIE-LAB	lab(8.71, 23.86, -22.25)
CIE-LCH	lch(8.71, 32.62, 317.00°)
OKLab	oklab(22.35% 0.056 -0.0628)
OKLCH	oklch(22.35% 0.084 311.7)
XYZ	xyz(1.6842, 0.9663, 3.7115)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B37 #1A370B

analogous

#120B37 #280B37 #370B30

triadic

#280B37 #37280B #0B3728

tetradic

#280B37 #37120B #1A370B #0B3037

square

#280B37 #37120B #1A370B #0B3037

split-complementary

#280B37 #30370B #0B3712

monochromatic

#13051A #13051A #280B37 #4D156A #721F9D

Accessibility & contrast

On white

17.60

#280B37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#280B37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B37

17.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B37	#FFFFFF	#000000	##FFFFFF
##280B37	1.00	17.60	1.19	17.60
#FFFFFF	17.60	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001838

Deuteranopia (green-blind)

#061936

Tritanopia (blue-blind)

#26141F

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #280b37;
/* rgb */ color: rgb(40, 11, 55);
/* oklch */ color: oklch(22.3% 0.084 311.7);

Tailwind

colors: {
  custom: {
    50: '#644c6e',
    500: '#280b37',
    950: '#000000',
  },
}

SCSS

$custom: #280b37;
$custom-light: #644c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#280b37",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 55
  },
  "hsl": {
    "h": 279.545,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.22347,
    "c": 0.08417,
    "h": 311.7
  },
  "luminance": 0.00966
}

Semantic roles & 50–950 ramp

primary

#280B37

secondary

#43742A

accent

#EA3E79

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#050107

muted

#7A777A

Preview Lab

Preview with #280B37

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

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