#511771#511771

#511771 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.8% C 0.147 H 310.1°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#511771
RGB	rgb(81, 23, 113)
HSL	hsl(279, 66%, 27%)
HSV	hsv(279, 80%, 44%)
CMYK	cmyk(28.3%, 79.6%, 0%, 55.7%)
CIE-LAB	lab(22.14, 41.94, -39.68)
CIE-LCH	lch(22.14, 57.74, 316.59°)
OKLab	oklab(34.76% 0.0947 -0.1125)
OKLCH	oklch(34.76% 0.147 310.1)
XYZ	xyz(6.6798, 3.5545, 15.9538)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511771 #377117

analogous

#241771 #511771 #711764

triadic

#511771 #715117 #177151

tetradic

#511771 #712417 #377117 #176471

square

#511771 #712417 #377117 #176471

split-complementary

#511771 #647117 #177124

monochromatic

#120519 #2D0D3E #511771 #7521A4 #992ED4

Accessibility & contrast

On white

12.27

#511771 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#511771 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511771

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511771	#FFFFFF	#000000	##FFFFFF
##511771	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003373

Deuteranopia (green-blind)

#00366F

Tritanopia (blue-blind)

#4C2D43

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #511771;
/* rgb */ color: rgb(81, 23, 113);
/* oklch */ color: oklch(34.8% 0.147 310.1);

Tailwind

colors: {
  custom: {
    50: '#865b9a',
    500: '#511771',
    950: '#000000',
  },
}

SCSS

$custom: #511771;
$custom-light: #865b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#511771",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 113
  },
  "hsl": {
    "h": 278.667,
    "s": 66.176,
    "l": 26.667
  },
  "oklch": {
    "l": 0.34764,
    "c": 0.14707,
    "h": 310.1
  },
  "luminance": 0.03554
}

Semantic roles & 50–950 ramp

primary

#511771

secondary

#63A73D

accent

#E93F7B

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #511771

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

Preview Lab → · Contrast checker → · Palette generator →