#511E83#511E83

#511E83 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.0% C 0.158 H 302.0°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#511E83
RGB	rgb(81, 30, 131)
HSL	hsl(270, 63%, 32%)
HSV	hsv(270, 77%, 51%)
CMYK	cmyk(38.2%, 77.1%, 0%, 48.6%)
CIE-LAB	lab(24.69, 43.30, -46.99)
CIE-LCH	lch(24.69, 63.90, 312.66°)
OKLab	oklab(37.03% 0.0838 -0.134)
OKLCH	oklch(37.03% 0.158 302)
XYZ	xyz(7.9534, 4.3165, 21.8825)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.98

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E83 #50831E

analogous

#1F1E83 #511E83 #831E83

triadic

#511E83 #83511E #1E8351

tetradic

#511E83 #831F1E #50831E #1E8383

square

#511E83 #831F1E #50831E #1E8383

split-complementary

#511E83 #83831E #1E831F

monochromatic

#13071F #321351 #511E83 #7029B5 #8E47D5

Accessibility & contrast

On white

11.27

#511E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#511E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E83

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E83	#FFFFFF	#000000	##FFFFFF
##511E83	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A86

Deuteranopia (green-blind)

#003A81

Tritanopia (blue-blind)

#46384F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #511e83;
/* rgb */ color: rgb(81, 30, 131);
/* oklch */ color: oklch(37.0% 0.158 302.0);

Tailwind

colors: {
  custom: {
    50: '#875fa8',
    500: '#511e83',
    950: '#000000',
  },
}

SCSS

$custom: #511e83;
$custom-light: #875fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#511e83",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 131
  },
  "hsl": {
    "h": 270.297,
    "s": 62.733,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37028,
    "c": 0.15811,
    "h": 302
  },
  "luminance": 0.04317
}

Semantic roles & 50–950 ramp

primary

#511E83

secondary

#7EB647

accent

#E64293

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511E83

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

Preview Lab → · Contrast checker → · Palette generator →