#511C63#511C63

#511C63 is a dark, vivid purple. Relative luminance 0.035; OKLCH L 34.2% C 0.126 H 316.3°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#511C63
RGB	rgb(81, 28, 99)
HSL	hsl(285, 56%, 25%)
HSV	hsv(285, 72%, 39%)
CMYK	cmyk(18.2%, 71.7%, 0%, 61.2%)
CIE-LAB	lab(21.88, 36.50, -31.00)
CIE-LCH	lch(21.88, 47.88, 319.66°)
OKLab	oklab(34.24% 0.0912 -0.0871)
OKLCH	oklch(34.24% 0.126 316.3)
XYZ	xyz(6.0604, 3.4809, 12.1546)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 4.84

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C63 #2E631C

analogous

#2E1C63 #511C63 #631C51

triadic

#511C63 #63511C #1C6351

tetradic

#511C63 #632E1C #2E631C #1C5163

square

#511C63 #632E1C #2E631C #1C5163

split-complementary

#511C63 #51631C #1C632E

monochromatic

#140718 #2A0F33 #511C63 #782993 #9F37C2

Accessibility & contrast

On white

12.38

#511C63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#511C63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C63

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C63	#FFFFFF	#000000	##FFFFFF
##511C63	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003165

Deuteranopia (green-blind)

#1C3661

Tritanopia (blue-blind)

#502A3D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #511c63;
/* rgb */ color: rgb(81, 28, 99);
/* oklch */ color: oklch(34.2% 0.126 316.3);

Tailwind

colors: {
  custom: {
    50: '#845d90',
    500: '#511c63',
    950: '#000000',
  },
}

SCSS

$custom: #511c63;
$custom-light: #845d90;
$custom-dark: #000000;

JSON

{
  "hex": "#511c63",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 99
  },
  "hsl": {
    "h": 284.789,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34243,
    "c": 0.12605,
    "h": 316.3
  },
  "luminance": 0.03481
}

Semantic roles & 50–950 ramp

primary

#511C63

secondary

#589843

accent

#DF496F

background

#F8F5F8

surface

#EFE9F0

border

#CAC5CB

text

#0B040C

muted

#7C797D

Preview Lab

Preview with #511C63

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

Preview Lab → · Contrast checker → · Palette generator →