#5B1583#5B1583

#5B1583 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.5% C 0.170 H 308.9°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#5B1583
RGB	rgb(91, 21, 131)
HSL	hsl(278, 72%, 30%)
HSV	hsv(278, 84%, 51%)
CMYK	cmyk(30.5%, 84%, 0%, 48.6%)
CIE-LAB	lab(24.95, 48.64, -46.51)
CIE-LCH	lch(24.95, 67.30, 316.28°)
OKLab	oklab(37.52% 0.1065 -0.1322)
OKLCH	oklch(37.52% 0.17 308.9)
XYZ	xyz(8.6784, 4.3993, 21.8603)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.91

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1583 #3D8315

analogous

#241583 #5B1583 #831574

triadic

#5B1583 #835B15 #15835B

tetradic

#5B1583 #832415 #3D8315 #157483

square

#5B1583 #832415 #3D8315 #157483

split-complementary

#5B1583 #748315 #158324

monochromatic

#12041A #360D4E #5B1583 #801DB8 #A034DE

Accessibility & contrast

On white

11.17

#5B1583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#5B1583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1583

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1583	#FFFFFF	#000000	##FFFFFF
##5B1583	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003986

Deuteranopia (green-blind)

#003C81

Tritanopia (blue-blind)

#55324D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #5b1583;
/* rgb */ color: rgb(91, 21, 131);
/* oklch */ color: oklch(37.5% 0.170 308.9);

Tailwind

colors: {
  custom: {
    50: '#8e5da8',
    500: '#5b1583',
    950: '#000000',
  },
}

SCSS

$custom: #5b1583;
$custom-light: #8e5da8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1583",
  "rgb": {
    "r": 91,
    "g": 21,
    "b": 131
  },
  "hsl": {
    "h": 278.182,
    "s": 72.368,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37521,
    "c": 0.16978,
    "h": 308.9
  },
  "luminance": 0.04399
}

Semantic roles & 50–950 ramp

primary

#5B1583

secondary

#69B83C

accent

#EF397B

background

#F9F5FA

surface

#F1E9F4

border

#CBC5CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #5B1583

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

Preview Lab → · Contrast checker → · Palette generator →