#5B1381#5B1381

#5B1381 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.2% C 0.170 H 309.8°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#5B1381
RGB	rgb(91, 19, 129)
HSL	hsl(279, 74%, 29%)
HSV	hsv(279, 85%, 51%)
CMYK	cmyk(29.5%, 85.3%, 0%, 49.4%)
CIE-LAB	lab(24.56, 48.84, -45.88)
CIE-LCH	lch(24.56, 67.01, 316.79°)
OKLab	oklab(37.2% 0.1086 -0.1303)
OKLCH	oklch(37.2% 0.17 309.8)
XYZ	xyz(8.5089, 4.2751, 21.1415)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.86

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1381 #398113

analogous

#241381 #5B1381 #811370

triadic

#5B1381 #815B13 #13815B

tetradic

#5B1381 #812413 #398113 #137081

square

#5B1381 #812413 #398113 #137081

split-complementary

#5B1381 #708113 #138124

monochromatic

#13041B #350B4C #5B1381 #811BB6 #A32EE0

Accessibility & contrast

On white

11.32

#5B1381 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#5B1381 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1381

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1381	#FFFFFF	#000000	##FFFFFF
##5B1381	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003884

Deuteranopia (green-blind)

#003B7F

Tritanopia (blue-blind)

#55314C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #5b1381;
/* rgb */ color: rgb(91, 19, 129);
/* oklch */ color: oklch(37.2% 0.170 309.8);

Tailwind

colors: {
  custom: {
    50: '#8e5ca6',
    500: '#5b1381',
    950: '#000000',
  },
}

SCSS

$custom: #5b1381;
$custom-light: #8e5ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1381",
  "rgb": {
    "r": 91,
    "g": 19,
    "b": 129
  },
  "hsl": {
    "h": 279.273,
    "s": 74.324,
    "l": 29.02
  },
  "oklch": {
    "l": 0.37198,
    "c": 0.16964,
    "h": 309.8
  },
  "luminance": 0.04275
}

Semantic roles & 50–950 ramp

primary

#5B1381

secondary

#65B63A

accent

#F13777

background

#F9F5FA

surface

#F1E9F4

border

#CBC5CE

text

#0D040F

muted

#7E797F

Preview Lab

Preview with #5B1381

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

Preview Lab → · Contrast checker → · Palette generator →