#28108A#28108A

#28108A is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.9% C 0.180 H 278.0°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#28108A
RGB	rgb(40, 16, 138)
HSL	hsl(252, 79%, 30%)
HSV	hsv(252, 88%, 54%)
CMYK	cmyk(71%, 88.4%, 0%, 45.9%)
CIE-LAB	lab(18.61, 45.91, -61.57)
CIE-LCH	lch(18.61, 76.80, 306.71°)
OKLab	oklab(31.94% 0.0248 -0.1778)
OKLCH	oklch(31.94% 0.18 278)
XYZ	xyz(5.6463, 2.6562, 24.2550)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28108A #728A10

analogous

#10358A #28108A #65108A

triadic

#28108A #8A2810 #108A28

tetradic

#28108A #8A1035 #728A10 #108A65

square

#28108A #8A1035 #728A10 #108A65

split-complementary

#28108A #8A6510 #358A10

monochromatic

#08031C #180A53 #28108A #3816C1 #522EE7

Accessibility & contrast

On white

13.71

#28108A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#28108A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28108A

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28108A	#FFFFFF	#000000	##FFFFFF
##28108A	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328D

Deuteranopia (green-blind)

#002888

Tritanopia (blue-blind)

#003950

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #28108a;
/* rgb */ color: rgb(40, 16, 138);
/* oklch */ color: oklch(31.9% 0.180 278.0);

Tailwind

colors: {
  custom: {
    50: '#7355ad',
    500: '#28108a',
    950: '#000000',
  },
}

SCSS

$custom: #28108a;
$custom-light: #7355ad;
$custom-dark: #000000;

JSON

{
  "hex": "#28108a",
  "rgb": {
    "r": 40,
    "g": 16,
    "b": 138
  },
  "hsl": {
    "h": 251.803,
    "s": 79.221,
    "l": 30.196
  },
  "oklch": {
    "l": 0.31936,
    "c": 0.17952,
    "h": 278
  },
  "luminance": 0.02657
}

Semantic roles & 50–950 ramp

primary

#28108A

secondary

#A4BF37

accent

#F632CF

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #28108A

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

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