#511C9D#511C9D

#511C9D is a dark, vivid violet. Relative luminance 0.050; OKLCH L 39.2% C 0.188 H 294.4°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#511C9D
RGB	rgb(81, 28, 157)
HSL	hsl(265, 70%, 36%)
HSV	hsv(265, 82%, 62%)
CMYK	cmyk(48.4%, 82.2%, 0%, 38.4%)
CIE-LAB	lab(26.77, 50.82, -59.69)
CIE-LCH	lch(26.77, 78.40, 310.41°)
OKLab	oklab(39.21% 0.0778 -0.1713)
OKLCH	oklch(39.21% 0.188 294.4)
XYZ	xyz(9.8927, 5.0139, 32.3383)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C9D #689D1C

analogous

#1C289D #511C9D #921C9D

triadic

#511C9D #9D511C #1C9D51

tetradic

#511C9D #9D1C28 #689D1C #1C9D92

square

#511C9D #9D1C28 #689D1C #1C9D92

split-complementary

#511C9D #9D921C #289D1C

monochromatic

#1B0935 #361369 #511C9D #6C25D1 #8D53E0

Accessibility & contrast

On white

10.49

#511C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#511C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C9D

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C9D	#FFFFFF	#000000	##FFFFFF
##511C9D	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A0

Deuteranopia (green-blind)

#003D9B

Tritanopia (blue-blind)

#3A425E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #511c9d;
/* rgb */ color: rgb(81, 28, 157);
/* oklch */ color: oklch(39.2% 0.188 294.4);

Tailwind

colors: {
  custom: {
    50: '#8a60bb',
    500: '#511c9d',
    950: '#000000',
  },
}

SCSS

$custom: #511c9d;
$custom-light: #8a60bb;
$custom-dark: #000000;

JSON

{
  "hex": "#511c9d",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 157
  },
  "hsl": {
    "h": 264.651,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.3921,
    "c": 0.18811,
    "h": 294.4
  },
  "luminance": 0.05014
}

Semantic roles & 50–950 ramp

primary

#511C9D

secondary

#95C351

accent

#ED3BA4

background

#F9F5FB

surface

#F1EAF6

border

#CBC6D0

text

#0D0512

muted

#7E7981

Preview Lab

Preview with #511C9D

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

Preview Lab → · Contrast checker → · Palette generator →