#280339#280339

#280339 is a very dark, moderate purple. Relative luminance 0.008; OKLCH L 21.4% C 0.099 H 312.1°. Best body text is #FFFFFF at 18.07:1 contrast (WCAG AA passes).

Color values

HEX	#280339
RGB	rgb(40, 3, 57)
HSL	hsl(281, 90%, 12%)
HSV	hsv(281, 95%, 22%)
CMYK	cmyk(29.8%, 94.7%, 0%, 77.6%)
CIE-LAB	lab(7.33, 28.79, -25.92)
CIE-LCH	lch(7.33, 38.74, 318.00°)
OKLab	oklab(21.42% 0.0665 -0.0736)
OKLCH	oklch(21.42% 0.099 312.1)
XYZ	xyz(1.6460, 0.8117, 3.9401)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280339 #143903

analogous

#0D0339 #280339 #39032F

triadic

#280339 #392803 #033928

tetradic

#280339 #390D03 #143903 #032F39

square

#280339 #390D03 #143903 #032F39

split-complementary

#280339 #2F3903 #03390D

monochromatic

#14021D #14021D #280339 #510673 #7A09AD

Accessibility & contrast

On white

18.07

#280339 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#280339 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280339

18.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280339	#FFFFFF	#000000	##FFFFFF
##280339	1.00	18.07	1.16	18.07
#FFFFFF	18.07	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143A

Deuteranopia (green-blind)

#001738

Tritanopia (blue-blind)

#26101E

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #280339;
/* rgb */ color: rgb(40, 3, 57);
/* oklch */ color: oklch(21.4% 0.099 312.1);

Tailwind

colors: {
  custom: {
    50: '#654870',
    500: '#280339',
    950: '#000000',
  },
}

SCSS

$custom: #280339;
$custom-light: #654870;
$custom-dark: #000000;

JSON

{
  "hex": "#280339",
  "rgb": {
    "r": 40,
    "g": 3,
    "b": 57
  },
  "hsl": {
    "h": 281.111,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.21419,
    "c": 0.09922,
    "h": 312.1
  },
  "luminance": 0.00812
}

Semantic roles & 50–950 ramp

primary

#280339

secondary

#3A7C1C

accent

#FF296C

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060107

muted

#7A777A

Preview Lab

Preview with #280339

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

Preview Lab → · Contrast checker → · Palette generator →