#511C74#511C74

#511C74 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.5% C 0.144 H 308.1°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#511C74
RGB	rgb(81, 28, 116)
HSL	hsl(276, 61%, 28%)
HSV	hsv(276, 76%, 45%)
CMYK	cmyk(30.2%, 75.9%, 0%, 54.5%)
CIE-LAB	lab(23.14, 40.49, -39.99)
CIE-LCH	lch(23.14, 56.91, 315.35°)
OKLab	oklab(35.55% 0.0891 -0.1135)
OKLCH	oklch(35.55% 0.144 308.1)
XYZ	xyz(6.9603, 3.8409, 16.8943)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C74 #3F741C

analogous

#251C74 #511C74 #741C6B

triadic

#511C74 #74511C #1C7451

tetradic

#511C74 #74251C #3F741C #1C6B74

square

#511C74 #74251C #3F741C #1C6B74

split-complementary

#511C74 #6B741C #1C7425

monochromatic

#110619 #2F1043 #511C74 #7328A5 #943BD0

Accessibility & contrast

On white

11.88

#511C74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#511C74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C74

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C74	#FFFFFF	#000000	##FFFFFF
##511C74	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003577

Deuteranopia (green-blind)

#013872

Tritanopia (blue-blind)

#4B3146

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511c74;
/* rgb */ color: rgb(81, 28, 116);
/* oklch */ color: oklch(35.5% 0.144 308.1);

Tailwind

colors: {
  custom: {
    50: '#865e9d',
    500: '#511c74',
    950: '#000000',
  },
}

SCSS

$custom: #511c74;
$custom-light: #865e9d;
$custom-dark: #000000;

JSON

{
  "hex": "#511c74",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 116
  },
  "hsl": {
    "h": 276.136,
    "s": 61.111,
    "l": 28.235
  },
  "oklch": {
    "l": 0.35545,
    "c": 0.14423,
    "h": 308.1
  },
  "luminance": 0.03841
}

Semantic roles & 50–950 ramp

primary

#511C74

secondary

#6CA843

accent

#E44483

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #511C74

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

Preview Lab → · Contrast checker → · Palette generator →