#5B1578#5B1578

#5B1578 is a dark, vivid purple. Relative luminance 0.041; OKLCH L 36.6% C 0.159 H 313.3°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#5B1578
RGB	rgb(91, 21, 120)
HSL	hsl(282, 70%, 28%)
HSV	hsv(282, 83%, 47%)
CMYK	cmyk(24.2%, 82.5%, 0%, 52.9%)
CIE-LAB	lab(24.05, 46.22, -40.99)
CIE-LCH	lch(24.05, 61.78, 318.43°)
OKLab	oklab(36.61% 0.1093 -0.116)
OKLCH	oklch(36.61% 0.159 313.3)
XYZ	xyz(7.9721, 4.1168, 18.1403)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1578 #327815

analogous

#291578 #5B1578 #781564

triadic

#5B1578 #785B15 #15785B

tetradic

#5B1578 #782915 #327815 #156478

square

#5B1578 #782915 #327815 #156478

split-complementary

#5B1578 #647815 #157829

monochromatic

#14051A #340C44 #5B1578 #821EAC #A82DDA

Accessibility & contrast

On white

11.52

#5B1578 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#5B1578 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1578

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1578	#FFFFFF	#000000	##FFFFFF
##5B1578	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367B

Deuteranopia (green-blind)

#073B76

Tritanopia (blue-blind)

#582D47

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #5b1578;
/* rgb */ color: rgb(91, 21, 120);
/* oklch */ color: oklch(36.6% 0.159 313.3);

Tailwind

colors: {
  custom: {
    50: '#8d5ca0',
    500: '#5b1578',
    950: '#000000',
  },
}

SCSS

$custom: #5b1578;
$custom-light: #8d5ca0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1578",
  "rgb": {
    "r": 91,
    "g": 21,
    "b": 120
  },
  "hsl": {
    "h": 282.424,
    "s": 70.213,
    "l": 27.647
  },
  "oklch": {
    "l": 0.36615,
    "c": 0.15934,
    "h": 313.3
  },
  "luminance": 0.04117
}

Semantic roles & 50–950 ramp

primary

#5B1578

secondary

#5DAE3B

accent

#ED3B6F

background

#F9F5F9

surface

#F1E9F2

border

#CBC5CC

text

#0D040F

muted

#7E797E

Preview Lab

Preview with #5B1578

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

Preview Lab → · Contrast checker → · Palette generator →