#5B1571#5B1571

#5B1571 is a dark, vivid purple. Relative luminance 0.040; OKLCH L 36.1% C 0.153 H 316.4°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#5B1571
RGB	rgb(91, 21, 113)
HSL	hsl(286, 69%, 26%)
HSV	hsv(286, 81%, 44%)
CMYK	cmyk(19.5%, 81.4%, 0%, 55.7%)
CIE-LAB	lab(23.52, 44.73, -37.38)
CIE-LCH	lch(23.52, 58.29, 320.12°)
OKLab	oklab(36.07% 0.1106 -0.1054)
OKLCH	oklch(36.07% 0.153 316.4)
XYZ	xyz(7.5627, 3.9530, 15.9842)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1571 #2B7115

analogous

#2D1571 #5B1571 #711559

triadic

#5B1571 #715B15 #15715B

tetradic

#5B1571 #712D15 #2B7115 #155971

square

#5B1571 #712D15 #2B7115 #155971

split-complementary

#5B1571 #597115 #15712D

monochromatic

#15051A #310B3D #5B1571 #851FA5 #AE29D7

Accessibility & contrast

On white

11.73

#5B1571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#5B1571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1571

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1571	#FFFFFF	#000000	##FFFFFF
##5B1571	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003473

Deuteranopia (green-blind)

#143A6F

Tritanopia (blue-blind)

#5A2A43

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #5b1571;
/* rgb */ color: rgb(91, 21, 113);
/* oklch */ color: oklch(36.1% 0.153 316.4);

Tailwind

colors: {
  custom: {
    50: '#8d5c9a',
    500: '#5b1571',
    950: '#000000',
  },
}

SCSS

$custom: #5b1571;
$custom-light: #8d5c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1571",
  "rgb": {
    "r": 91,
    "g": 21,
    "b": 113
  },
  "hsl": {
    "h": 285.652,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.36066,
    "c": 0.15277,
    "h": 316.4
  },
  "luminance": 0.03953
}

Semantic roles & 50–950 ramp

primary

#5B1571

secondary

#55A73B

accent

#EB3C66

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0D040E

muted

#7D797E

Preview Lab

Preview with #5B1571

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

Preview Lab → · Contrast checker → · Palette generator →