#5B1F8B#5B1F8B

#5B1F8B is a dark, vivid violet. Relative luminance 0.051; OKLCH L 39.1% C 0.168 H 304.9°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#5B1F8B
RGB	rgb(91, 31, 139)
HSL	hsl(273, 64%, 33%)
HSV	hsv(273, 78%, 55%)
CMYK	cmyk(34.5%, 77.7%, 0%, 45.5%)
CIE-LAB	lab(26.93, 46.71, -48.29)
CIE-LCH	lch(26.93, 67.18, 314.04°)
OKLab	oklab(39.11% 0.0959 -0.1375)
OKLCH	oklch(39.11% 0.168 304.9)
XYZ	xyz(9.4635, 5.0683, 24.9008)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1F8B #4F8B1F

analogous

#251F8B #5B1F8B #8B1F85

triadic

#5B1F8B #8B5B1F #1F8B5B

tetradic

#5B1F8B #8B251F #4F8B1F #1F858B

square

#5B1F8B #8B251F #4F8B1F #1F858B

split-complementary

#5B1F8B #858B1F #1F8B25

monochromatic

#190927 #3A1459 #5B1F8B #7C2ABD #9A4DD7

Accessibility & contrast

On white

10.43

#5B1F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#5B1F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1F8B

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1F8B	#FFFFFF	#000000	##FFFFFF
##5B1F8B	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8E

Deuteranopia (green-blind)

#004089

Tritanopia (blue-blind)

#523A54

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #5b1f8b;
/* rgb */ color: rgb(91, 31, 139);
/* oklch */ color: oklch(39.1% 0.168 304.9);

Tailwind

colors: {
  custom: {
    50: '#8e62ae',
    500: '#5b1f8b',
    950: '#000000',
  },
}

SCSS

$custom: #5b1f8b;
$custom-light: #8e62ae;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1f8b",
  "rgb": {
    "r": 91,
    "g": 31,
    "b": 139
  },
  "hsl": {
    "h": 273.333,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.39114,
    "c": 0.16768,
    "h": 304.9
  },
  "luminance": 0.05068
}

Semantic roles & 50–950 ramp

primary

#5B1F8B

secondary

#7DBA4C

accent

#E7418B

background

#F9F6FA

surface

#F1EBF4

border

#CBC6CE

text

#0D0510

muted

#7E7A7F

Preview Lab

Preview with #5B1F8B

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

Preview Lab → · Contrast checker → · Palette generator →