#511D79#511D79

#511D79 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.1% C 0.148 H 305.9°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#511D79
RGB	rgb(81, 29, 121)
HSL	hsl(274, 61%, 29%)
HSV	hsv(274, 76%, 47%)
CMYK	cmyk(33.1%, 76%, 0%, 52.5%)
CIE-LAB	lab(23.70, 41.25, -42.28)
CIE-LCH	lch(23.70, 59.07, 314.30°)
OKLab	oklab(36.07% 0.0871 -0.1202)
OKLCH	oklch(36.07% 0.148 305.9)
XYZ	xyz(7.2831, 4.0086, 18.4755)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D79 #45791D

analogous

#231D79 #511D79 #791D73

triadic

#511D79 #79511D #1D7951

tetradic

#511D79 #79231D #45791D #1D7379

square

#511D79 #79231D #45791D #1D7379

split-complementary

#511D79 #73791D #1D7923

monochromatic

#110619 #301148 #511D79 #7229AA #923FD1

Accessibility & contrast

On white

11.66

#511D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#511D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D79

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D79	#FFFFFF	#000000	##FFFFFF
##511D79	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377C

Deuteranopia (green-blind)

#003977

Tritanopia (blue-blind)

#4A3349

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #511d79;
/* rgb */ color: rgb(81, 29, 121);
/* oklch */ color: oklch(36.1% 0.148 305.9);

Tailwind

colors: {
  custom: {
    50: '#865ea0',
    500: '#511d79',
    950: '#000000',
  },
}

SCSS

$custom: #511d79;
$custom-light: #865ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#511d79",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 121
  },
  "hsl": {
    "h": 273.913,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.36068,
    "c": 0.14839,
    "h": 305.9
  },
  "luminance": 0.04009
}

Semantic roles & 50–950 ramp

primary

#511D79

secondary

#72AD45

accent

#E44389

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050F

muted

#7D797E

Preview Lab

Preview with #511D79

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

Preview Lab → · Contrast checker → · Palette generator →