#511D86#511D86

#511D86 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.2% C 0.163 H 301.1°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#511D86
RGB	rgb(81, 29, 134)
HSL	hsl(270, 64%, 32%)
HSV	hsv(270, 78%, 53%)
CMYK	cmyk(39.6%, 78.4%, 0%, 47.5%)
CIE-LAB	lab(24.79, 44.51, -48.71)
CIE-LCH	lch(24.79, 65.98, 312.42°)
OKLab	oklab(37.18% 0.084 -0.1391)
OKLCH	oklch(37.18% 0.163 301.1)
XYZ	xyz(8.1347, 4.3492, 22.9605)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.78

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D86 #52861D

analogous

#1D1E86 #511D86 #861D86

triadic

#511D86 #86511D #1D8651

tetradic

#511D86 #861D1E #52861D #1D8686

square

#511D86 #861D1E #52861D #1D8686

split-complementary

#511D86 #86861D #1E861D

monochromatic

#140721 #331254 #511D86 #6F28B8 #8E46D7

Accessibility & contrast

On white

11.23

#511D86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#511D86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D86

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D86	#FFFFFF	#000000	##FFFFFF
##511D86	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A89

Deuteranopia (green-blind)

#003A84

Tritanopia (blue-blind)

#453851

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #511d86;
/* rgb */ color: rgb(81, 29, 134);
/* oklch */ color: oklch(37.2% 0.163 301.1);

Tailwind

colors: {
  custom: {
    50: '#875faa',
    500: '#511d86',
    950: '#000000',
  },
}

SCSS

$custom: #511d86;
$custom-light: #875faa;
$custom-dark: #000000;

JSON

{
  "hex": "#511d86",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 134
  },
  "hsl": {
    "h": 269.714,
    "s": 64.417,
    "l": 31.961
  },
  "oklch": {
    "l": 0.3718,
    "c": 0.1625,
    "h": 301.1
  },
  "luminance": 0.04349
}

Semantic roles & 50–950 ramp

primary

#511D86

secondary

#80B946

accent

#E74095

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511D86

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

Preview Lab → · Contrast checker → · Palette generator →