#511A84#511A84

#511A84 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.7% C 0.164 H 302.2°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#511A84
RGB	rgb(81, 26, 132)
HSL	hsl(271, 67%, 31%)
HSV	hsv(271, 80%, 52%)
CMYK	cmyk(38.6%, 80.3%, 0%, 48.2%)
CIE-LAB	lab(24.17, 45.29, -48.46)
CIE-LCH	lch(24.17, 66.33, 313.06°)
OKLab	oklab(36.69% 0.0872 -0.1383)
OKLCH	oklch(36.69% 0.164 302.2)
XYZ	xyz(7.9266, 4.1540, 22.2095)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.28

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A84 #4D841A

analogous

#1C1A84 #511A84 #841A82

triadic

#511A84 #84511A #1A8451

tetradic

#511A84 #841C1A #4D841A #1A8284

square

#511A84 #841C1A #4D841A #1A8284

split-complementary

#511A84 #82841A #1A841C

monochromatic

#12061E #321051 #511A84 #7024B7 #8F3FD9

Accessibility & contrast

On white

11.47

#511A84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#511A84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A84

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A84	#FFFFFF	#000000	##FFFFFF
##511A84	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003987

Deuteranopia (green-blind)

#003982

Tritanopia (blue-blind)

#46364F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511a84;
/* rgb */ color: rgb(81, 26, 132);
/* oklch */ color: oklch(36.7% 0.164 302.2);

Tailwind

colors: {
  custom: {
    50: '#875ea9',
    500: '#511a84',
    950: '#000000',
  },
}

SCSS

$custom: #511a84;
$custom-light: #875ea9;
$custom-dark: #000000;

JSON

{
  "hex": "#511a84",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 132
  },
  "hsl": {
    "h": 271.132,
    "s": 67.089,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36692,
    "c": 0.16355,
    "h": 302.2
  },
  "luminance": 0.04154
}

Semantic roles & 50–950 ramp

primary

#511A84

secondary

#7BB842

accent

#EA3E91

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511A84

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

Preview Lab → · Contrast checker → · Palette generator →