#511D78#511D78

#511D78 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.0% C 0.147 H 306.3°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#511D78
RGB	rgb(81, 29, 120)
HSL	hsl(274, 61%, 29%)
HSV	hsv(274, 76%, 47%)
CMYK	cmyk(32.5%, 75.8%, 0%, 52.9%)
CIE-LAB	lab(23.62, 41.00, -41.77)
CIE-LCH	lch(23.62, 58.53, 314.47°)
OKLab	oklab(35.99% 0.0872 -0.1187)
OKLCH	oklch(35.99% 0.147 306.3)
XYZ	xyz(7.2221, 3.9842, 18.1542)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D78 #44781D

analogous

#241D78 #511D78 #781D72

triadic

#511D78 #78511D #1D7851

tetradic

#511D78 #78241D #44781D #1D7278

square

#511D78 #78241D #44781D #1D7278

split-complementary

#511D78 #72781D #1D7824

monochromatic

#110619 #301147 #511D78 #7229A9 #923FD1

Accessibility & contrast

On white

11.69

#511D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#511D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D78

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D78	#FFFFFF	#000000	##FFFFFF
##511D78	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377B

Deuteranopia (green-blind)

#003876

Tritanopia (blue-blind)

#4A3349

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #511d78;
/* rgb */ color: rgb(81, 29, 120);
/* oklch */ color: oklch(36.0% 0.147 306.3);

Tailwind

colors: {
  custom: {
    50: '#865ea0',
    500: '#511d78',
    950: '#000000',
  },
}

SCSS

$custom: #511d78;
$custom-light: #865ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#511d78",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 120
  },
  "hsl": {
    "h": 274.286,
    "s": 61.074,
    "l": 29.216
  },
  "oklch": {
    "l": 0.35986,
    "c": 0.1473,
    "h": 306.3
  },
  "luminance": 0.03984
}

Semantic roles & 50–950 ramp

primary

#511D78

secondary

#71AC45

accent

#E44488

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050F

muted

#7D797E

Preview Lab

Preview with #511D78

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

Preview Lab → · Contrast checker → · Palette generator →