#511B6F#511B6F

#511B6F is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.0% C 0.140 H 310.5°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#511B6F
RGB	rgb(81, 27, 111)
HSL	hsl(279, 61%, 27%)
HSV	hsv(279, 76%, 44%)
CMYK	cmyk(27%, 75.7%, 0%, 56.5%)
CIE-LAB	lab(22.59, 39.75, -37.66)
CIE-LCH	lch(22.59, 54.76, 316.54°)
OKLab	oklab(35.03% 0.091 -0.1066)
OKLCH	oklch(35.03% 0.14 310.5)
XYZ	xyz(6.6540, 3.6810, 15.3958)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B6F #396F1B

analogous

#271B6F #511B6F #6F1B63

triadic

#511B6F #6F511B #1B6F51

tetradic

#511B6F #6F271B #396F1B #1B636F

square

#511B6F #6F271B #396F1B #1B636F

split-complementary

#511B6F #636F1B #1B6F27

monochromatic

#120619 #2D0F3E #511B6F #7527A0 #9836CE

Accessibility & contrast

On white

12.10

#511B6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#511B6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B6F

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B6F	#FFFFFF	#000000	##FFFFFF
##511B6F	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003471

Deuteranopia (green-blind)

#0B376D

Tritanopia (blue-blind)

#4D2E43

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511b6f;
/* rgb */ color: rgb(81, 27, 111);
/* oklch */ color: oklch(35.0% 0.140 310.5);

Tailwind

colors: {
  custom: {
    50: '#855d99',
    500: '#511b6f',
    950: '#000000',
  },
}

SCSS

$custom: #511b6f;
$custom-light: #855d99;
$custom-dark: #000000;

JSON

{
  "hex": "#511b6f",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 111
  },
  "hsl": {
    "h": 278.571,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.35031,
    "c": 0.14015,
    "h": 310.5
  },
  "luminance": 0.03681
}

Semantic roles & 50–950 ramp

primary

#511B6F

secondary

#65A442

accent

#E4447D

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #511B6F

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

Preview Lab → · Contrast checker → · Palette generator →