#28137B#28137B

#28137B is a dark, vivid violet. Relative luminance 0.023; OKLCH L 30.4% C 0.160 H 280.4°. Best body text is #FFFFFF at 14.29:1 contrast (WCAG AA passes).

Color values

HEX	#28137B
RGB	rgb(40, 19, 123)
HSL	hsl(252, 73%, 28%)
HSV	hsv(252, 85%, 48%)
CMYK	cmyk(67.5%, 84.6%, 0%, 51.8%)
CIE-LAB	lab(17.21, 40.14, -54.39)
CIE-LCH	lch(17.21, 67.60, 306.43°)
OKLab	oklab(30.44% 0.0289 -0.157)
OKLCH	oklch(30.44% 0.16 280.4)
XYZ	xyz(4.6820, 2.3465, 18.9413)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28137B #667B13

analogous

#13327B #28137B #5C137B

triadic

#28137B #7B2813 #137B28

tetradic

#28137B #7B1332 #667B13 #137B5C

square

#28137B #7B1332 #667B13 #137B5C

split-complementary

#28137B #7B5C13 #327B13

monochromatic

#09041B #170B46 #28137B #391BB0 #4F2ADE

Accessibility & contrast

On white

14.29

#28137B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#28137B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28137B

14.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28137B	#FFFFFF	#000000	##FFFFFF
##28137B	1.00	14.29	1.47	14.29
#FFFFFF	14.29	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7E

Deuteranopia (green-blind)

#002679

Tritanopia (blue-blind)

#003348

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #28137b;
/* rgb */ color: rgb(40, 19, 123);
/* oklch */ color: oklch(30.4% 0.160 280.4);

Tailwind

colors: {
  custom: {
    50: '#6f55a2',
    500: '#28137b',
    950: '#000000',
  },
}

SCSS

$custom: #28137b;
$custom-light: #6f55a2;
$custom-dark: #000000;

JSON

{
  "hex": "#28137b",
  "rgb": {
    "r": 40,
    "g": 19,
    "b": 123
  },
  "hsl": {
    "h": 252.115,
    "s": 73.239,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30444,
    "c": 0.15963,
    "h": 280.4
  },
  "luminance": 0.02347
}

Semantic roles & 50–950 ramp

primary

#28137B

secondary

#99B139

accent

#F038CB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #28137B

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

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