#511C77#511C77

#511C77 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.8% C 0.147 H 306.9°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#511C77
RGB	rgb(81, 28, 119)
HSL	hsl(275, 62%, 29%)
HSV	hsv(275, 76%, 47%)
CMYK	cmyk(31.9%, 76.5%, 0%, 53.3%)
CIE-LAB	lab(23.38, 41.22, -41.52)
CIE-LCH	lch(23.38, 58.51, 314.79°)
OKLab	oklab(35.79% 0.0885 -0.118)
OKLCH	oklch(35.79% 0.147 306.9)
XYZ	xyz(7.1376, 3.9118, 17.8282)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C77 #42771C

analogous

#241C77 #511C77 #771C70

triadic

#511C77 #77511C #1C7751

tetradic

#511C77 #77241C #42771C #1C7077

square

#511C77 #77241C #42771C #1C7077

split-complementary

#511C77 #70771C #1C7724

monochromatic

#110619 #2F1045 #511C77 #7328A9 #933CD1

Accessibility & contrast

On white

11.78

#511C77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#511C77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C77

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C77	#FFFFFF	#000000	##FFFFFF
##511C77	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367A

Deuteranopia (green-blind)

#003875

Tritanopia (blue-blind)

#4B3248

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #511c77;
/* rgb */ color: rgb(81, 28, 119);
/* oklch */ color: oklch(35.8% 0.147 306.9);

Tailwind

colors: {
  custom: {
    50: '#865e9f',
    500: '#511c77',
    950: '#000000',
  },
}

SCSS

$custom: #511c77;
$custom-light: #865e9f;
$custom-dark: #000000;

JSON

{
  "hex": "#511c77",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 119
  },
  "hsl": {
    "h": 274.945,
    "s": 61.905,
    "l": 28.824
  },
  "oklch": {
    "l": 0.3579,
    "c": 0.14746,
    "h": 306.9
  },
  "luminance": 0.03912
}

Semantic roles & 50–950 ramp

primary

#511C77

secondary

#6FAB44

accent

#E54387

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #511C77

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

Preview Lab → · Contrast checker → · Palette generator →