#511871#511871

#511871 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.9% C 0.146 H 310.0°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#511871
RGB	rgb(81, 24, 113)
HSL	hsl(278, 65%, 27%)
HSV	hsv(278, 79%, 44%)
CMYK	cmyk(28.3%, 78.8%, 0%, 55.7%)
CIE-LAB	lab(22.28, 41.53, -39.45)
CIE-LCH	lch(22.28, 57.27, 316.47°)
OKLab	oklab(34.87% 0.0937 -0.1118)
OKLCH	oklch(34.87% 0.146 310)
XYZ	xyz(6.7000, 3.5950, 15.9605)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511871 #387118

analogous

#251871 #511871 #711865

triadic

#511871 #715118 #187151

tetradic

#511871 #712518 #387118 #186571

square

#511871 #712518 #387118 #186571

split-complementary

#511871 #657118 #187125

monochromatic

#120519 #2D0D3F #511871 #7523A3 #9930D3

Accessibility & contrast

On white

12.22

#511871 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#511871 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511871

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511871	#FFFFFF	#000000	##FFFFFF
##511871	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003373

Deuteranopia (green-blind)

#01366F

Tritanopia (blue-blind)

#4C2D43

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #511871;
/* rgb */ color: rgb(81, 24, 113);
/* oklch */ color: oklch(34.9% 0.146 310.0);

Tailwind

colors: {
  custom: {
    50: '#865c9a',
    500: '#511871',
    950: '#000000',
  },
}

SCSS

$custom: #511871;
$custom-light: #865c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#511871",
  "rgb": {
    "r": 81,
    "g": 24,
    "b": 113
  },
  "hsl": {
    "h": 278.427,
    "s": 64.964,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34866,
    "c": 0.14592,
    "h": 310
  },
  "luminance": 0.03595
}

Semantic roles & 50–950 ramp

primary

#511871

secondary

#64A63E

accent

#E8407C

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #511871

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

Preview Lab → · Contrast checker → · Palette generator →