#511D77#511D77

#511D77 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 35.9% C 0.146 H 306.7°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#511D77
RGB	rgb(81, 29, 119)
HSL	hsl(275, 61%, 29%)
HSV	hsv(275, 76%, 47%)
CMYK	cmyk(31.9%, 75.6%, 0%, 53.3%)
CIE-LAB	lab(23.54, 40.76, -41.26)
CIE-LCH	lch(23.54, 58.00, 314.65°)
OKLab	oklab(35.9% 0.0874 -0.1172)
OKLCH	oklch(35.9% 0.146 306.7)
XYZ	xyz(7.1618, 3.9600, 17.8363)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D77 #43771D

analogous

#241D77 #511D77 #771D70

triadic

#511D77 #77511D #1D7751

tetradic

#511D77 #77241D #43771D #1D7077

square

#511D77 #77241D #43771D #1D7077

split-complementary

#511D77 #70771D #1D7724

monochromatic

#110619 #301146 #511D77 #7229A8 #933ED0

Accessibility & contrast

On white

11.72

#511D77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#511D77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D77

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D77	#FFFFFF	#000000	##FFFFFF
##511D77	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367A

Deuteranopia (green-blind)

#003875

Tritanopia (blue-blind)

#4A3248

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #511d77;
/* rgb */ color: rgb(81, 29, 119);
/* oklch */ color: oklch(35.9% 0.146 306.7);

Tailwind

colors: {
  custom: {
    50: '#865e9f',
    500: '#511d77',
    950: '#000000',
  },
}

SCSS

$custom: #511d77;
$custom-light: #865e9f;
$custom-dark: #000000;

JSON

{
  "hex": "#511d77",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 119
  },
  "hsl": {
    "h": 274.667,
    "s": 60.811,
    "l": 29.02
  },
  "oklch": {
    "l": 0.35904,
    "c": 0.14622,
    "h": 306.7
  },
  "luminance": 0.0396
}

Semantic roles & 50–950 ramp

primary

#511D77

secondary

#70AB45

accent

#E44487

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #511D77

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

Preview Lab → · Contrast checker → · Palette generator →