#511C7A#511C7A

#511C7A is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.0% C 0.151 H 305.7°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#511C7A
RGB	rgb(81, 28, 122)
HSL	hsl(274, 63%, 29%)
HSV	hsv(274, 77%, 48%)
CMYK	cmyk(33.6%, 77%, 0%, 52.2%)
CIE-LAB	lab(23.62, 41.95, -43.04)
CIE-LCH	lch(23.62, 60.10, 314.27°)
OKLab	oklab(36.04% 0.0879 -0.1224)
OKLCH	oklch(36.04% 0.151 305.7)
XYZ	xyz(7.3207, 3.9850, 18.7921)
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

#511C7A #457A1C

analogous

#221C7A #511C7A #7A1C74

triadic

#511C7A #7A511C #1C7A51

tetradic

#511C7A #7A221C #457A1C #1C747A

square

#511C7A #7A221C #457A1C #1C747A

split-complementary

#511C7A #747A1C #1C7A22

monochromatic

#110619 #301148 #511C7A #7227AC #923ED3

Accessibility & contrast

On white

11.69

#511C7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#511C7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C7A

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C7A	#FFFFFF	#000000	##FFFFFF
##511C7A	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)

#00377D

Deuteranopia (green-blind)

#003878

Tritanopia (blue-blind)

#4A334A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #511c7a;
/* rgb */ color: rgb(81, 28, 122);
/* oklch */ color: oklch(36.0% 0.151 305.7);

Tailwind

colors: {
  custom: {
    50: '#865ea1',
    500: '#511c7a',
    950: '#000000',
  },
}

SCSS

$custom: #511c7a;
$custom-light: #865ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#511c7a",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 122
  },
  "hsl": {
    "h": 273.83,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.36039,
    "c": 0.15069,
    "h": 305.7
  },
  "luminance": 0.03985
}

Semantic roles & 50–950 ramp

primary

#511C7A

secondary

#72AE44

accent

#E64289

background

#F8F5FA

surface

#F0E9F3

border

#CBC5CD

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511C7A

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

Preview Lab → · Contrast checker → · Palette generator →