#5B1581#5B1581

#5B1581 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.4% C 0.168 H 309.6°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#5B1581
RGB	rgb(91, 21, 129)
HSL	hsl(279, 72%, 29%)
HSV	hsv(279, 84%, 51%)
CMYK	cmyk(29.5%, 83.7%, 0%, 49.4%)
CIE-LAB	lab(24.78, 48.20, -45.52)
CIE-LCH	lch(24.78, 66.29, 316.64°)
OKLab	oklab(37.35% 0.1071 -0.1293)
OKLCH	oklch(37.35% 0.168 309.6)
XYZ	xyz(8.5442, 4.3456, 21.1533)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.02

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1581 #3B8115

analogous

#251581 #5B1581 #811571

triadic

#5B1581 #815B15 #15815B

tetradic

#5B1581 #812515 #3B8115 #157181

square

#5B1581 #812515 #3B8115 #157181

split-complementary

#5B1581 #718115 #158125

monochromatic

#13041A #360C4C #5B1581 #801EB6 #A233DE

Accessibility & contrast

On white

11.24

#5B1581 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#5B1581 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1581

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1581	#FFFFFF	#000000	##FFFFFF
##5B1581	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003884

Deuteranopia (green-blind)

#003C7F

Tritanopia (blue-blind)

#55314C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #5b1581;
/* rgb */ color: rgb(91, 21, 129);
/* oklch */ color: oklch(37.4% 0.168 309.6);

Tailwind

colors: {
  custom: {
    50: '#8e5da6',
    500: '#5b1581',
    950: '#000000',
  },
}

SCSS

$custom: #5b1581;
$custom-light: #8e5da6;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1581",
  "rgb": {
    "r": 91,
    "g": 21,
    "b": 129
  },
  "hsl": {
    "h": 278.889,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.37353,
    "c": 0.16787,
    "h": 309.6
  },
  "luminance": 0.04345
}

Semantic roles & 50–950 ramp

primary

#5B1581

secondary

#67B63C

accent

#EF3979

background

#F9F5FA

surface

#F1E9F4

border

#CBC5CE

text

#0D050F

muted

#7E797F

Preview Lab

Preview with #5B1581

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

Preview Lab → · Contrast checker → · Palette generator →