#28033A#28033A

#28033A is a very dark, moderate purple. Relative luminance 0.008; OKLCH L 21.5% C 0.100 H 311.3°. Best body text is #FFFFFF at 18.04:1 contrast (WCAG AA passes).

Color values

HEX	#28033A
RGB	rgb(40, 3, 58)
HSL	hsl(280, 90%, 12%)
HSV	hsv(280, 95%, 23%)
CMYK	cmyk(31%, 94.8%, 0%, 77.3%)
CIE-LAB	lab(7.42, 29.05, -26.50)
CIE-LCH	lch(7.42, 39.33, 317.63°)
OKLab	oklab(21.52% 0.0662 -0.0753)
OKLCH	oklch(21.52% 0.1 311.3)
XYZ	xyz(1.6712, 0.8218, 4.0727)
Luminance	0.0082 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28033A #153A03

analogous

#0D033A #28033A #3A0331

triadic

#28033A #3A2803 #033A28

tetradic

#28033A #3A0D03 #153A03 #03313A

square

#28033A #3A0D03 #153A03 #03313A

split-complementary

#28033A #313A03 #033A0D

monochromatic

#14021D #14021D #28033A #500674 #7809AE

Accessibility & contrast

On white

18.04

#28033A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#28033A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28033A

18.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28033A	#FFFFFF	#000000	##FFFFFF
##28033A	1.00	18.04	1.16	18.04
#FFFFFF	18.04	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00153B

Deuteranopia (green-blind)

#001739

Tritanopia (blue-blind)

#26111F

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #28033a;
/* rgb */ color: rgb(40, 3, 58);
/* oklch */ color: oklch(21.5% 0.100 311.3);

Tailwind

colors: {
  custom: {
    50: '#654871',
    500: '#28033a',
    950: '#000000',
  },
}

SCSS

$custom: #28033a;
$custom-light: #654871;
$custom-dark: #000000;

JSON

{
  "hex": "#28033a",
  "rgb": {
    "r": 40,
    "g": 3,
    "b": 58
  },
  "hsl": {
    "h": 280.364,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.21516,
    "c": 0.10025,
    "h": 311.3
  },
  "luminance": 0.00822
}

Semantic roles & 50–950 ramp

primary

#28033A

secondary

#3C7D1C

accent

#FF296F

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060107

muted

#7A777A

Preview Lab

Preview with #28033A

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

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