#280B39#280B39

#280B39 is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.5% C 0.087 H 310.1°. Best body text is #FFFFFF at 17.54:1 contrast (WCAG AA passes).

Color values

HEX	#280B39
RGB	rgb(40, 11, 57)
HSL	hsl(278, 68%, 13%)
HSV	hsv(278, 81%, 22%)
CMYK	cmyk(29.8%, 80.7%, 0%, 77.6%)
CIE-LAB	lab(8.87, 24.39, -23.43)
CIE-LCH	lch(8.87, 33.82, 316.15°)
OKLab	oklab(22.52% 0.0558 -0.0663)
OKLCH	oklch(22.52% 0.087 310.1)
XYZ	xyz(1.7331, 0.9859, 3.9691)
Luminance	0.0099 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B39 #1C390B

analogous

#110B39 #280B39 #390B33

triadic

#280B39 #39280B #0B3928

tetradic

#280B39 #39110B #1C390B #0B3339

square

#280B39 #39110B #1C390B #0B3339

split-complementary

#280B39 #33390B #0B3911

monochromatic

#12051A #12051A #280B39 #4C156C #701FA0

Accessibility & contrast

On white

17.54

#280B39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#280B39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B39

17.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B39	#FFFFFF	#000000	##FFFFFF
##280B39	1.00	17.54	1.20	17.54
#FFFFFF	17.54	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183A

Deuteranopia (green-blind)

#041A38

Tritanopia (blue-blind)

#261521

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #280b39;
/* rgb */ color: rgb(40, 11, 57);
/* oklch */ color: oklch(22.5% 0.087 310.1);

Tailwind

colors: {
  custom: {
    50: '#644d70',
    500: '#280b39',
    950: '#000000',
  },
}

SCSS

$custom: #280b39;
$custom-light: #644d70;
$custom-dark: #000000;

JSON

{
  "hex": "#280b39",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 57
  },
  "hsl": {
    "h": 277.826,
    "s": 67.647,
    "l": 13.333
  },
  "oklch": {
    "l": 0.22518,
    "c": 0.08661,
    "h": 310.1
  },
  "luminance": 0.00986
}

Semantic roles & 50–950 ramp

primary

#280B39

secondary

#46762A

accent

#EB3D7D

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060107

muted

#7A777A

Preview Lab

Preview with #280B39

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

Preview Lab → · Contrast checker → · Palette generator →