#511987#511987

#511987 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.9% C 0.168 H 301.3°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#511987
RGB	rgb(81, 25, 135)
HSL	hsl(271, 69%, 31%)
HSV	hsv(271, 81%, 53%)
CMYK	cmyk(40%, 81.5%, 0%, 47.1%)
CIE-LAB	lab(24.30, 46.43, -50.14)
CIE-LCH	lch(24.30, 68.34, 312.80°)
OKLab	oklab(36.86% 0.0872 -0.1432)
OKLCH	oklch(36.86% 0.168 301.3)
XYZ	xyz(8.1131, 4.1938, 23.2990)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.15

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511987 #4F8719

analogous

#1A1987 #511987 #871986

triadic

#511987 #875119 #198751

tetradic

#511987 #871A19 #4F8719 #198687

square

#511987 #871A19 #4F8719 #198687

split-complementary

#511987 #868719 #19871A

monochromatic

#130620 #320F53 #511987 #7023BB #8F3FDB

Accessibility & contrast

On white

11.42

#511987 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#511987 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511987

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511987	#FFFFFF	#000000	##FFFFFF
##511987	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398A

Deuteranopia (green-blind)

#003985

Tritanopia (blue-blind)

#453750

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #511987;
/* rgb */ color: rgb(81, 25, 135);
/* oklch */ color: oklch(36.9% 0.168 301.3);

Tailwind

colors: {
  custom: {
    50: '#885dab',
    500: '#511987',
    950: '#000000',
  },
}

SCSS

$custom: #511987;
$custom-light: #885dab;
$custom-dark: #000000;

JSON

{
  "hex": "#511987",
  "rgb": {
    "r": 81,
    "g": 25,
    "b": 135
  },
  "hsl": {
    "h": 270.545,
    "s": 68.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.36864,
    "c": 0.1677,
    "h": 301.3
  },
  "luminance": 0.04194
}

Semantic roles & 50–950 ramp

primary

#511987

secondary

#7DBA41

accent

#EC3C92

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511987

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

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