#511D84#511D84

#511D84 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.0% C 0.160 H 301.8°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#511D84
RGB	rgb(81, 29, 132)
HSL	hsl(270, 64%, 32%)
HSV	hsv(270, 78%, 52%)
CMYK	cmyk(38.6%, 78%, 0%, 48.2%)
CIE-LAB	lab(24.62, 44.00, -47.74)
CIE-LCH	lch(24.62, 64.92, 312.67°)
OKLab	oklab(37% 0.0845 -0.1362)
OKLCH	oklch(37% 0.16 301.8)
XYZ	xyz(7.9966, 4.2940, 22.2329)
Luminance	0.0429 (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

#511D84 #50841D

analogous

#1E1D84 #511D84 #841D84

triadic

#511D84 #84511D #1D8451

tetradic

#511D84 #841E1D #50841D #1D8484

square

#511D84 #841E1D #50841D #1D8484

split-complementary

#511D84 #84841D #1D841E

monochromatic

#130720 #321252 #511D84 #7028B6 #8E45D6

Accessibility & contrast

On white

11.30

#511D84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#511D84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D84

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D84	#FFFFFF	#000000	##FFFFFF
##511D84	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A87

Deuteranopia (green-blind)

#003A82

Tritanopia (blue-blind)

#46384F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #511d84;
/* rgb */ color: rgb(81, 29, 132);
/* oklch */ color: oklch(37.0% 0.160 301.8);

Tailwind

colors: {
  custom: {
    50: '#875fa9',
    500: '#511d84',
    950: '#000000',
  },
}

SCSS

$custom: #511d84;
$custom-light: #875fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#511d84",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 132
  },
  "hsl": {
    "h": 270.291,
    "s": 63.975,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37005,
    "c": 0.16033,
    "h": 301.8
  },
  "luminance": 0.04294
}

Semantic roles & 50–950 ramp

primary

#511D84

secondary

#7EB746

accent

#E74193

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511D84

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

Preview Lab → · Contrast checker → · Palette generator →