#511F66#511F66

#511F66 is a dark, vivid purple. Relative luminance 0.037; OKLCH L 34.8% C 0.125 H 314.3°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#511F66
RGB	rgb(81, 31, 102)
HSL	hsl(282, 53%, 26%)
HSV	hsv(282, 70%, 40%)
CMYK	cmyk(20.6%, 69.6%, 0%, 60%)
CIE-LAB	lab(22.61, 35.71, -31.78)
CIE-LCH	lch(22.61, 47.80, 318.33°)
OKLab	oklab(34.84% 0.0872 -0.0894)
OKLCH	oklch(34.84% 0.125 314.3)
XYZ	xyz(6.2812, 3.6888, 12.9489)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F66 #34661F

analogous

#2D1F66 #511F66 #661F57

triadic

#511F66 #66511F #1F6651

tetradic

#511F66 #662D1F #34661F #1F5766

square

#511F66 #662D1F #34661F #1F5766

split-complementary

#511F66 #57661F #1F662D

monochromatic

#130717 #2C1137 #511F66 #762D95 #9B3CC4

Accessibility & contrast

On white

12.08

#511F66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#511F66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F66

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F66	#FFFFFF	#000000	##FFFFFF
##511F66	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003368

Deuteranopia (green-blind)

#1C3764

Tritanopia (blue-blind)

#4F2D3F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511f66;
/* rgb */ color: rgb(81, 31, 102);
/* oklch */ color: oklch(34.8% 0.125 314.3);

Tailwind

colors: {
  custom: {
    50: '#845f92',
    500: '#511f66',
    950: '#000000',
  },
}

SCSS

$custom: #511f66;
$custom-light: #845f92;
$custom-dark: #000000;

JSON

{
  "hex": "#511f66",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 102
  },
  "hsl": {
    "h": 282.254,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.34841,
    "c": 0.12485,
    "h": 314.3
  },
  "luminance": 0.03689
}

Semantic roles & 50–950 ramp

primary

#511F66

secondary

#5F9A46

accent

#DD4B76

background

#F8F5F9

surface

#EFE9F1

border

#CAC5CB

text

#0B050D

muted

#7C797E

Preview Lab

Preview with #511F66

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

Preview Lab → · Contrast checker → · Palette generator →