#511A87#511A87

#511A87 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 37.0% C 0.167 H 301.2°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#511A87
RGB	rgb(81, 26, 135)
HSL	hsl(270, 68%, 32%)
HSV	hsv(270, 81%, 53%)
CMYK	cmyk(40%, 80.7%, 0%, 47.1%)
CIE-LAB	lab(24.44, 46.03, -49.91)
CIE-LCH	lch(24.44, 67.90, 312.68°)
OKLab	oklab(36.96% 0.0864 -0.1426)
OKLCH	oklch(36.96% 0.167 301.2)
XYZ	xyz(8.1348, 4.2373, 23.3063)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.30

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A87 #50871A

analogous

#1A1A87 #511A87 #871A87

triadic

#511A87 #87511A #1A8751

tetradic

#511A87 #871A1A #50871A #1A8787

square

#511A87 #871A1A #50871A #1A8787

split-complementary

#511A87 #87871A #1A871A

monochromatic

#130620 #321054 #511A87 #7024BA #8E41DA

Accessibility & contrast

On white

11.37

#511A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#511A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A87

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A87	#FFFFFF	#000000	##FFFFFF
##511A87	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398A

Deuteranopia (green-blind)

#003985

Tritanopia (blue-blind)

#453850

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #511a87;
/* rgb */ color: rgb(81, 26, 135);
/* oklch */ color: oklch(37.0% 0.167 301.2);

Tailwind

colors: {
  custom: {
    50: '#885eab',
    500: '#511a87',
    950: '#000000',
  },
}

SCSS

$custom: #511a87;
$custom-light: #885eab;
$custom-dark: #000000;

JSON

{
  "hex": "#511a87",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 135
  },
  "hsl": {
    "h": 270.275,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.36961,
    "c": 0.16672,
    "h": 301.2
  },
  "luminance": 0.04237
}

Semantic roles & 50–950 ramp

primary

#511A87

secondary

#7EBA42

accent

#EB3D93

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511A87

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

Preview Lab → · Contrast checker → · Palette generator →