#511A82#511A82

#511A82 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.5% C 0.161 H 302.9°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#511A82
RGB	rgb(81, 26, 130)
HSL	hsl(272, 67%, 31%)
HSV	hsv(272, 80%, 51%)
CMYK	cmyk(37.7%, 80%, 0%, 49%)
CIE-LAB	lab(24.00, 44.79, -47.49)
CIE-LCH	lch(24.00, 65.28, 313.32°)
OKLab	oklab(36.52% 0.0878 -0.1355)
OKLCH	oklch(36.52% 0.161 302.9)
XYZ	xyz(7.7910, 4.0998, 21.4957)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.32

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A82 #4B821A

analogous

#1D1A82 #511A82 #821A7F

triadic

#511A82 #82511A #1A8251

tetradic

#511A82 #821D1A #4B821A #1A7F82

square

#511A82 #821D1A #4B821A #1A7F82

split-complementary

#511A82 #7F821A #1A821D

monochromatic

#11061C #31104F #511A82 #7124B5 #903ED8

Accessibility & contrast

On white

11.54

#511A82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#511A82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A82

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A82	#FFFFFF	#000000	##FFFFFF
##511A82	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003885

Deuteranopia (green-blind)

#003980

Tritanopia (blue-blind)

#47354E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511a82;
/* rgb */ color: rgb(81, 26, 130);
/* oklch */ color: oklch(36.5% 0.161 302.9);

Tailwind

colors: {
  custom: {
    50: '#875da7',
    500: '#511a82',
    950: '#000000',
  },
}

SCSS

$custom: #511a82;
$custom-light: #875da7;
$custom-dark: #000000;

JSON

{
  "hex": "#511a82",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 130
  },
  "hsl": {
    "h": 271.731,
    "s": 66.667,
    "l": 30.588
  },
  "oklch": {
    "l": 0.36515,
    "c": 0.16145,
    "h": 302.9
  },
  "luminance": 0.041
}

Semantic roles & 50–950 ramp

primary

#511A82

secondary

#79B642

accent

#EA3E8F

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511A82

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

Preview Lab → · Contrast checker → · Palette generator →