#5B1871#5B1871

#5B1871 is a dark, vivid purple. Relative luminance 0.041; OKLCH L 36.3% C 0.149 H 316.2°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#5B1871
RGB	rgb(91, 24, 113)
HSL	hsl(285, 65%, 27%)
HSV	hsv(285, 79%, 44%)
CMYK	cmyk(19.5%, 78.8%, 0%, 55.7%)
CIE-LAB	lab(23.90, 43.62, -36.75)
CIE-LCH	lch(23.90, 57.04, 319.88°)
OKLab	oklab(36.34% 0.1078 -0.1035)
OKLCH	oklch(36.34% 0.149 316.2)
XYZ	xyz(7.6212, 4.0700, 16.0037)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1871 #2E7118

analogous

#2F1871 #5B1871 #71185B

triadic

#5B1871 #715B18 #18715B

tetradic

#5B1871 #712F18 #2E7118 #185B71

square

#5B1871 #712F18 #2E7118 #185B71

split-complementary

#5B1871 #5B7118 #18712F

monochromatic

#140519 #320D3F #5B1871 #8423A3 #AB30D3

Accessibility & contrast

On white

11.58

#5B1871 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#5B1871 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1871

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1871	#FFFFFF	#000000	##FFFFFF
##5B1871	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003573

Deuteranopia (green-blind)

#173B6F

Tritanopia (blue-blind)

#5A2C44

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #5b1871;
/* rgb */ color: rgb(91, 24, 113);
/* oklch */ color: oklch(36.3% 0.149 316.2);

Tailwind

colors: {
  custom: {
    50: '#8d5d9a',
    500: '#5b1871',
    950: '#000000',
  },
}

SCSS

$custom: #5b1871;
$custom-light: #8d5d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1871",
  "rgb": {
    "r": 91,
    "g": 24,
    "b": 113
  },
  "hsl": {
    "h": 285.169,
    "s": 64.964,
    "l": 26.863
  },
  "oklch": {
    "l": 0.36339,
    "c": 0.14948,
    "h": 316.2
  },
  "luminance": 0.0407
}

Semantic roles & 50–950 ramp

primary

#5B1871

secondary

#58A63E

accent

#E84069

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0D050E

muted

#7D797E

Preview Lab

Preview with #5B1871

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

Preview Lab → · Contrast checker → · Palette generator →