#511A6C#511A6C

#511A6C is a dark, vivid purple. Relative luminance 0.036; OKLCH L 34.7% C 0.138 H 312.0°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#511A6C
RGB	rgb(81, 26, 108)
HSL	hsl(280, 61%, 26%)
HSV	hsv(280, 76%, 42%)
CMYK	cmyk(25%, 75.9%, 0%, 57.6%)
CIE-LAB	lab(22.20, 39.49, -36.35)
CIE-LCH	lch(22.20, 53.67, 317.37°)
OKLab	oklab(34.68% 0.0925 -0.1027)
OKLCH	oklch(34.68% 0.138 312)
XYZ	xyz(6.4690, 3.5710, 14.5329)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A6C #356C1A

analogous

#281A6C #511A6C #6C1A5E

triadic

#511A6C #6C511A #1A6C51

tetradic

#511A6C #6C281A #356C1A #1A5E6C

square

#511A6C #6C281A #356C1A #1A5E6C

split-complementary

#511A6C #5E6C1A #1A6C28

monochromatic

#120619 #2C0E3B #511A6C #76269D #9B33CE

Accessibility & contrast

On white

12.25

#511A6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#511A6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A6C

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A6C	#FFFFFF	#000000	##FFFFFF
##511A6C	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326E

Deuteranopia (green-blind)

#0F366A

Tritanopia (blue-blind)

#4E2C41

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #511a6c;
/* rgb */ color: rgb(81, 26, 108);
/* oklch */ color: oklch(34.7% 0.138 312.0);

Tailwind

colors: {
  custom: {
    50: '#855c97',
    500: '#511a6c',
    950: '#000000',
  },
}

SCSS

$custom: #511a6c;
$custom-light: #855c97;
$custom-dark: #000000;

JSON

{
  "hex": "#511a6c",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 108
  },
  "hsl": {
    "h": 280.244,
    "s": 61.194,
    "l": 26.275
  },
  "oklch": {
    "l": 0.34683,
    "c": 0.13827,
    "h": 312
  },
  "luminance": 0.03571
}

Semantic roles & 50–950 ramp

primary

#511A6C

secondary

#60A141

accent

#E44378

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511A6C

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

Preview Lab → · Contrast checker → · Palette generator →