#28102B#28102B

#28102B is a very dark, muted purple. Relative luminance 0.010; OKLCH L 22.3% C 0.060 H 323.0°. Best body text is #FFFFFF at 17.51:1 contrast (WCAG AA passes).

Color values

HEX	#28102B
RGB	rgb(40, 16, 43)
HSL	hsl(293, 46%, 12%)
HSV	hsv(293, 63%, 17%)
CMYK	cmyk(7%, 62.8%, 0%, 83.1%)
CIE-LAB	lab(8.96, 17.73, -13.03)
CIE-LCH	lch(8.96, 22.00, 323.69°)
OKLab	oklab(22.25% 0.0478 -0.036)
OKLCH	oklch(22.25% 0.06 323)
XYZ	xyz(1.4964, 0.9962, 2.3985)
Luminance	0.0100 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28102B #132B10

analogous

#1B102B #28102B #2B1021

triadic

#28102B #2B2810 #102B28

tetradic

#28102B #2B1B10 #132B10 #10212B

square

#28102B #2B1B10 #132B10 #10212B

split-complementary

#28102B #212B10 #102B1B

monochromatic

#150816 #150816 #28102B #512158 #7B3184

Accessibility & contrast

On white

17.51

#28102B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#28102B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28102B

17.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28102B	#FFFFFF	#000000	##FFFFFF
##28102B	1.00	17.51	1.20	17.51
#FFFFFF	17.51	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C182C

Deuteranopia (green-blind)

#131A2A

Tritanopia (blue-blind)

#29131B

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #28102b;
/* rgb */ color: rgb(40, 16, 43);
/* oklch */ color: oklch(22.3% 0.060 323.0);

Tailwind

colors: {
  custom: {
    50: '#634f64',
    500: '#28102b',
    950: '#000000',
  },
}

SCSS

$custom: #28102b;
$custom-light: #634f64;
$custom-dark: #000000;

JSON

{
  "hex": "#28102b",
  "rgb": {
    "r": 40,
    "g": 16,
    "b": 43
  },
  "hsl": {
    "h": 293.333,
    "s": 45.763,
    "l": 11.569
  },
  "oklch": {
    "l": 0.22254,
    "c": 0.05984,
    "h": 323
  },
  "luminance": 0.00996
}

Semantic roles & 50–950 ramp

primary

#28102B

secondary

#396433

accent

#D55261

background

#F5F4F6

surface

#EAE7EB

border

#C6C3C6

text

#050205

muted

#79787A

Preview Lab

Preview with #28102B

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

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