#5B1588#5B1588

#5B1588 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 38.0% C 0.175 H 307.0°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#5B1588
RGB	rgb(91, 21, 136)
HSL	hsl(277, 73%, 31%)
HSV	hsv(277, 85%, 53%)
CMYK	cmyk(33.1%, 84.6%, 0%, 46.7%)
CIE-LAB	lab(25.38, 49.77, -48.95)
CIE-LCH	lch(25.38, 69.80, 315.47°)
OKLab	oklab(37.95% 0.1051 -0.1394)
OKLCH	oklch(37.95% 0.175 307)
XYZ	xyz(9.0255, 4.5382, 23.6883)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.79

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1588 #428815

analogous

#221588 #5B1588 #88157B

triadic

#5B1588 #885B15 #15885B

tetradic

#5B1588 #882215 #428815 #157B88

square

#5B1588 #882215 #428815 #157B88

split-complementary

#5B1588 #7B8815 #158822

monochromatic

#14051E #380D53 #5B1588 #7E1DBD #9E37E0

Accessibility & contrast

On white

11.01

#5B1588 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#5B1588 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1588

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1588	#FFFFFF	#000000	##FFFFFF
##5B1588	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8B

Deuteranopia (green-blind)

#003D86

Tritanopia (blue-blind)

#533550

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #5b1588;
/* rgb */ color: rgb(91, 21, 136);
/* oklch */ color: oklch(38.0% 0.175 307.0);

Tailwind

colors: {
  custom: {
    50: '#8f5dac',
    500: '#5b1588',
    950: '#000000',
  },
}

SCSS

$custom: #5b1588;
$custom-light: #8f5dac;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1588",
  "rgb": {
    "r": 91,
    "g": 21,
    "b": 136
  },
  "hsl": {
    "h": 276.522,
    "s": 73.248,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3795,
    "c": 0.17454,
    "h": 307
  },
  "luminance": 0.04538
}

Semantic roles & 50–950 ramp

primary

#5B1588

secondary

#6FBC3D

accent

#F03880

background

#F9F5FA

surface

#F1E9F4

border

#CBC5CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #5B1588

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

Preview Lab → · Contrast checker → · Palette generator →