#5B2571#5B2571

#5B2571 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 37.8% C 0.132 H 314.7°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#5B2571
RGB	rgb(91, 37, 113)
HSL	hsl(283, 51%, 29%)
HSV	hsv(283, 67%, 44%)
CMYK	cmyk(19.5%, 67.3%, 0%, 55.7%)
CIE-LAB	lab(25.98, 37.77, -33.41)
CIE-LCH	lch(25.98, 50.43, 318.50°)
OKLab	oklab(37.82% 0.0929 -0.0939)
OKLCH	oklch(37.82% 0.132 314.7)
XYZ	xyz(7.9561, 4.7398, 16.1154)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Darkish Purple

#751973

ΔE00 5.79

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B2571 #3B7125

analogous

#352571 #5B2571 #712561

triadic

#5B2571 #715B25 #25715B

tetradic

#5B2571 #713525 #3B7125 #256171

square

#5B2571 #713525 #3B7125 #256171

split-complementary

#5B2571 #617125 #257135

monochromatic

#130817 #361643 #5B2571 #80349F #A24CC4

Accessibility & contrast

On white

10.78

#5B2571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#5B2571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B2571

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B2571	#FFFFFF	#000000	##FFFFFF
##5B2571	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#053A73

Deuteranopia (green-blind)

#233F6F

Tritanopia (blue-blind)

#593347

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #5b2571;
/* rgb */ color: rgb(91, 37, 113);
/* oklch */ color: oklch(37.8% 0.132 314.7);

Tailwind

colors: {
  custom: {
    50: '#8c649a',
    500: '#5b2571',
    950: '#000000',
  },
}

SCSS

$custom: #5b2571;
$custom-light: #8c649a;
$custom-dark: #000000;

JSON

{
  "hex": "#5b2571",
  "rgb": {
    "r": 91,
    "g": 37,
    "b": 113
  },
  "hsl": {
    "h": 282.632,
    "s": 50.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.37825,
    "c": 0.13206,
    "h": 314.7
  },
  "luminance": 0.0474
}

Semantic roles & 50–950 ramp

primary

#5B2571

secondary

#67A44E

accent

#DA4E76

background

#F8F6F9

surface

#F0EBF2

border

#CBC6CC

text

#0C050E

muted

#7D7A7E

Preview Lab

Preview with #5B2571

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

Preview Lab → · Contrast checker → · Palette generator →