#5B1783#5B1783

#5B1783 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.168 H 308.7°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#5B1783
RGB	rgb(91, 23, 131)
HSL	hsl(278, 70%, 30%)
HSV	hsv(278, 82%, 51%)
CMYK	cmyk(30.5%, 82.4%, 0%, 48.6%)
CIE-LAB	lab(25.19, 47.95, -46.12)
CIE-LCH	lch(25.19, 66.54, 316.12°)
OKLab	oklab(37.69% 0.105 -0.1311)
OKLCH	oklch(37.69% 0.168 308.7)
XYZ	xyz(8.7167, 4.4758, 21.8730)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.10

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1783 #3F8317

analogous

#251783 #5B1783 #831775

triadic

#5B1783 #835B17 #17835B

tetradic

#5B1783 #832517 #3F8317 #177583

square

#5B1783 #832517 #3F8317 #177583

split-complementary

#5B1783 #758317 #178325

monochromatic

#13051B #370E4F #5B1783 #7F20B7 #9F38DC

Accessibility & contrast

On white

11.08

#5B1783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#5B1783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1783

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1783	#FFFFFF	#000000	##FFFFFF
##5B1783	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003986

Deuteranopia (green-blind)

#003C81

Tritanopia (blue-blind)

#55334E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #5b1783;
/* rgb */ color: rgb(91, 23, 131);
/* oklch */ color: oklch(37.7% 0.168 308.7);

Tailwind

colors: {
  custom: {
    50: '#8e5ea8',
    500: '#5b1783',
    950: '#000000',
  },
}

SCSS

$custom: #5b1783;
$custom-light: #8e5ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1783",
  "rgb": {
    "r": 91,
    "g": 23,
    "b": 131
  },
  "hsl": {
    "h": 277.778,
    "s": 70.13,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37686,
    "c": 0.16792,
    "h": 308.7
  },
  "luminance": 0.04476
}

Semantic roles & 50–950 ramp

primary

#5B1783

secondary

#6BB73F

accent

#ED3B7D

background

#F9F5FA

surface

#F1E9F4

border

#CBC5CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #5B1783

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

Preview Lab → · Contrast checker → · Palette generator →