#511A6B#511A6B

#511A6B is a dark, vivid purple. Relative luminance 0.035; OKLCH L 34.6% C 0.137 H 312.5°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#511A6B
RGB	rgb(81, 26, 107)
HSL	hsl(281, 61%, 26%)
HSV	hsv(281, 76%, 42%)
CMYK	cmyk(24.3%, 75.7%, 0%, 58%)
CIE-LAB	lab(22.12, 39.26, -35.82)
CIE-LCH	lch(22.12, 53.15, 317.62°)
OKLab	oklab(34.61% 0.0927 -0.1012)
OKLCH	oklch(34.61% 0.137 312.5)
XYZ	xyz(6.4161, 3.5498, 14.2543)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A6B #346B1A

analogous

#281A6B #511A6B #6B1A5C

triadic

#511A6B #6B511A #1A6B51

tetradic

#511A6B #6B281A #346B1A #1A5C6B

square

#511A6B #6B281A #346B1A #1A5C6B

split-complementary

#511A6B #5C6B1A #1A6B28

monochromatic

#130619 #2C0E3A #511A6B #76269C #9B32CD

Accessibility & contrast

On white

12.28

#511A6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#511A6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A6B

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A6B	#FFFFFF	#000000	##FFFFFF
##511A6B	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326D

Deuteranopia (green-blind)

#113669

Tritanopia (blue-blind)

#4E2C41

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #511a6b;
/* rgb */ color: rgb(81, 26, 107);
/* oklch */ color: oklch(34.6% 0.137 312.5);

Tailwind

colors: {
  custom: {
    50: '#855c96',
    500: '#511a6b',
    950: '#000000',
  },
}

SCSS

$custom: #511a6b;
$custom-light: #855c96;
$custom-dark: #000000;

JSON

{
  "hex": "#511a6b",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 107
  },
  "hsl": {
    "h": 280.741,
    "s": 60.902,
    "l": 26.078
  },
  "oklch": {
    "l": 0.34605,
    "c": 0.13722,
    "h": 312.5
  },
  "luminance": 0.0355
}

Semantic roles & 50–950 ramp

primary

#511A6B

secondary

#5FA040

accent

#E44477

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511A6B

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

Preview Lab → · Contrast checker → · Palette generator →