#511E7D#511E7D

#511E7D is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.5% C 0.152 H 304.2°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#511E7D
RGB	rgb(81, 30, 125)
HSL	hsl(272, 61%, 30%)
HSV	hsv(272, 76%, 49%)
CMYK	cmyk(35.2%, 76%, 0%, 51%)
CIE-LAB	lab(24.19, 41.79, -44.02)
CIE-LCH	lch(24.19, 60.70, 313.51°)
OKLab	oklab(36.52% 0.0852 -0.1253)
OKLCH	oklch(36.52% 0.152 304.2)
XYZ	xyz(7.5584, 4.1586, 19.8025)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.26

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E7D #4A7D1E

analogous

#221E7D #511E7D #7D1E79

triadic

#511E7D #7D511E #1E7D51

tetradic

#511E7D #7D221E #4A7D1E #1E797D

square

#511E7D #7D221E #4A7D1E #1E797D

split-complementary

#511E7D #797D1E #1E7D22

monochromatic

#11061A #31124C #511E7D #712AAE #9043D2

Accessibility & contrast

On white

11.46

#511E7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#511E7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E7D

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E7D	#FFFFFF	#000000	##FFFFFF
##511E7D	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003880

Deuteranopia (green-blind)

#00397B

Tritanopia (blue-blind)

#48354C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511e7d;
/* rgb */ color: rgb(81, 30, 125);
/* oklch */ color: oklch(36.5% 0.152 304.2);

Tailwind

colors: {
  custom: {
    50: '#865fa3',
    500: '#511e7d',
    950: '#000000',
  },
}

SCSS

$custom: #511e7d;
$custom-light: #865fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#511e7d",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 125
  },
  "hsl": {
    "h": 272.211,
    "s": 61.29,
    "l": 30.392
  },
  "oklch": {
    "l": 0.36517,
    "c": 0.15154,
    "h": 304.2
  },
  "luminance": 0.04159
}

Semantic roles & 50–950 ramp

primary

#511E7D

secondary

#77B046

accent

#E4438E

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511E7D

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

Preview Lab → · Contrast checker → · Palette generator →