#28156B#28156B

#28156B is a dark, vivid violet. Relative luminance 0.020; OKLCH L 28.9% C 0.138 H 283.8°. Best body text is #FFFFFF at 14.90:1 contrast (WCAG AA passes).

Color values

HEX	#28156B
RGB	rgb(40, 21, 107)
HSL	hsl(253, 67%, 25%)
HSV	hsv(253, 80%, 42%)
CMYK	cmyk(62.6%, 80.4%, 0%, 58%)
CIE-LAB	lab(15.74, 34.10, -46.47)
CIE-LCH	lch(15.74, 57.64, 306.27°)
OKLab	oklab(28.88% 0.0328 -0.1339)
OKLCH	oklch(28.88% 0.138 283.8)
XYZ	xyz(3.7963, 2.0487, 14.1025)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28156B #586B15

analogous

#152D6B #28156B #53156B

triadic

#28156B #6B2815 #156B28

tetradic

#28156B #6B152D #586B15 #156B53

square

#28156B #6B152D #586B15 #156B53

split-complementary

#28156B #6B5315 #2D6B15

monochromatic

#0A051A #150B38 #28156B #3B1F9E #4E29D1

Accessibility & contrast

On white

14.90

#28156B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#28156B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28156B

14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28156B	#FFFFFF	#000000	##FFFFFF
##28156B	1.00	14.90	1.41	14.90
#FFFFFF	14.90	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6D

Deuteranopia (green-blind)

#002469

Tritanopia (blue-blind)

#002E3F

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #28156b;
/* rgb */ color: rgb(40, 21, 107);
/* oklch */ color: oklch(28.9% 0.138 283.8);

Tailwind

colors: {
  custom: {
    50: '#6c5596',
    500: '#28156b',
    950: '#000000',
  },
}

SCSS

$custom: #28156b;
$custom-light: #6c5596;
$custom-dark: #000000;

JSON

{
  "hex": "#28156b",
  "rgb": {
    "r": 40,
    "g": 21,
    "b": 107
  },
  "hsl": {
    "h": 253.256,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.28883,
    "c": 0.13788,
    "h": 283.8
  },
  "luminance": 0.02049
}

Semantic roles & 50–950 ramp

primary

#28156B

secondary

#8BA23A

accent

#EA3EC4

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #28156B

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

Preview Lab → · Contrast checker → · Palette generator →