#511D85#511D85

#511D85 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.1% C 0.161 H 301.5°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#511D85
RGB	rgb(81, 29, 133)
HSL	hsl(270, 64%, 32%)
HSV	hsv(270, 78%, 52%)
CMYK	cmyk(39.1%, 78.2%, 0%, 47.8%)
CIE-LAB	lab(24.71, 44.26, -48.22)
CIE-LCH	lch(24.71, 65.45, 312.54°)
OKLab	oklab(37.09% 0.0843 -0.1377)
OKLCH	oklch(37.09% 0.161 301.5)
XYZ	xyz(8.0653, 4.3215, 22.5950)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.77

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D85 #51851D

analogous

#1D1D85 #511D85 #851D85

triadic

#511D85 #85511D #1D8551

tetradic

#511D85 #851D1D #51851D #1D8585

square

#511D85 #851D1D #51851D #1D8585

split-complementary

#511D85 #85851D #1D851D

monochromatic

#140721 #321253 #511D85 #7028B7 #8E46D7

Accessibility & contrast

On white

11.26

#511D85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#511D85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D85

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D85	#FFFFFF	#000000	##FFFFFF
##511D85	1.00	11.26	1.86	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A88

Deuteranopia (green-blind)

#003A83

Tritanopia (blue-blind)

#463850

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #511d85;
/* rgb */ color: rgb(81, 29, 133);
/* oklch */ color: oklch(37.1% 0.161 301.5);

Tailwind

colors: {
  custom: {
    50: '#875fa9',
    500: '#511d85',
    950: '#000000',
  },
}

SCSS

$custom: #511d85;
$custom-light: #875fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#511d85",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 133
  },
  "hsl": {
    "h": 270,
    "s": 64.198,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37092,
    "c": 0.16141,
    "h": 301.5
  },
  "luminance": 0.04322
}

Semantic roles & 50–950 ramp

primary

#511D85

secondary

#7FB846

accent

#E74194

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511D85

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

Preview Lab → · Contrast checker → · Palette generator →