#5B1B7E#5B1B7E

#5B1B7E is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.6% C 0.159 H 310.2°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#5B1B7E
RGB	rgb(91, 27, 126)
HSL	hsl(279, 65%, 30%)
HSV	hsv(279, 79%, 49%)
CMYK	cmyk(27.8%, 78.6%, 0%, 50.6%)
CIE-LAB	lab(25.30, 45.31, -42.78)
CIE-LCH	lch(25.30, 62.31, 316.65°)
OKLab	oklab(37.64% 0.1026 -0.1213)
OKLCH	oklch(37.64% 0.159 310.2)
XYZ	xyz(8.4715, 4.5146, 20.1597)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1B7E #3E7E1B

analogous

#2A1B7E #5B1B7E #7E1B6F

triadic

#5B1B7E #7E5B1B #1B7E5B

tetradic

#5B1B7E #7E2A1B #3E7E1B #1B6F7E

square

#5B1B7E #7E2A1B #3E7E1B #1B6F7E

split-complementary

#5B1B7E #6F7E1B #1B7E2A

monochromatic

#120519 #37104C #5B1B7E #7F26B0 #A03ED6

Accessibility & contrast

On white

11.04

#5B1B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#5B1B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1B7E

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1B7E	#FFFFFF	#000000	##FFFFFF
##5B1B7E	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003981

Deuteranopia (green-blind)

#013D7C

Tritanopia (blue-blind)

#56334C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #5b1b7e;
/* rgb */ color: rgb(91, 27, 126);
/* oklch */ color: oklch(37.6% 0.159 310.2);

Tailwind

colors: {
  custom: {
    50: '#8d5fa4',
    500: '#5b1b7e',
    950: '#000000',
  },
}

SCSS

$custom: #5b1b7e;
$custom-light: #8d5fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1b7e",
  "rgb": {
    "r": 91,
    "g": 27,
    "b": 126
  },
  "hsl": {
    "h": 278.788,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.37642,
    "c": 0.15884,
    "h": 310.2
  },
  "luminance": 0.04514
}

Semantic roles & 50–950 ramp

primary

#5B1B7E

secondary

#6AB243

accent

#E8407B

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D050F

muted

#7E797F

Preview Lab

Preview with #5B1B7E

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

Preview Lab → · Contrast checker → · Palette generator →