#511C9F#511C9F

#511C9F is a dark, vivid violet. Relative luminance 0.051; OKLCH L 39.4% C 0.190 H 293.9°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#511C9F
RGB	rgb(81, 28, 159)
HSL	hsl(264, 70%, 37%)
HSV	hsv(264, 82%, 62%)
CMYK	cmyk(49.1%, 82.4%, 0%, 37.6%)
CIE-LAB	lab(26.97, 51.34, -60.59)
CIE-LCH	lch(26.97, 79.42, 310.28°)
OKLab	oklab(39.4% 0.0771 -0.1739)
OKLCH	oklch(39.4% 0.19 293.9)
XYZ	xyz(10.0649, 5.0827, 33.2449)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C9F #6A9F1C

analogous

#1C299F #511C9F #931C9F

triadic

#511C9F #9F511C #1C9F51

tetradic

#511C9F #9F1C29 #6A9F1C #1C9F93

square

#511C9F #9F1C29 #6A9F1C #1C9F93

split-complementary

#511C9F #9F931C #299F1C

monochromatic

#1C0A37 #36136B #511C9F #6C25D3 #8D54E1

Accessibility & contrast

On white

10.41

#511C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#511C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C9F

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C9F	#FFFFFF	#000000	##FFFFFF
##511C9F	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A3

Deuteranopia (green-blind)

#003D9D

Tritanopia (blue-blind)

#39435F

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #511c9f;
/* rgb */ color: rgb(81, 28, 159);
/* oklch */ color: oklch(39.4% 0.190 293.9);

Tailwind

colors: {
  custom: {
    50: '#8b60bd',
    500: '#511c9f',
    950: '#000000',
  },
}

SCSS

$custom: #511c9f;
$custom-light: #8b60bd;
$custom-dark: #000000;

JSON

{
  "hex": "#511c9f",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 159
  },
  "hsl": {
    "h": 264.275,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39404,
    "c": 0.19023,
    "h": 293.9
  },
  "luminance": 0.05083
}

Semantic roles & 50–950 ramp

primary

#511C9F

secondary

#96C453

accent

#ED3BA5

background

#F9F5FB

surface

#F1EAF7

border

#CBC6D0

text

#0D0512

muted

#7E7981

Preview Lab

Preview with #511C9F

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

Preview Lab → · Contrast checker → · Palette generator →