#511D74#511D74

#511D74 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.7% C 0.143 H 308.0°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#511D74
RGB	rgb(81, 29, 116)
HSL	hsl(276, 60%, 28%)
HSV	hsv(276, 75%, 45%)
CMYK	cmyk(30.2%, 75%, 0%, 54.5%)
CIE-LAB	lab(23.30, 40.02, -39.73)
CIE-LCH	lch(23.30, 56.39, 315.21°)
OKLab	oklab(35.66% 0.088 -0.1127)
OKLCH	oklch(35.66% 0.143 308)
XYZ	xyz(6.9844, 3.8891, 16.9023)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D74 #40741D

analogous

#251D74 #511D74 #741D6B

triadic

#511D74 #74511D #1D7451

tetradic

#511D74 #74251D #40741D #1D6B74

square

#511D74 #74251D #40741D #1D6B74

split-complementary

#511D74 #6B741D #1D7425

monochromatic

#110618 #2F1143 #511D74 #7329A5 #943DCE

Accessibility & contrast

On white

11.81

#511D74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#511D74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D74

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D74	#FFFFFF	#000000	##FFFFFF
##511D74	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003677

Deuteranopia (green-blind)

#033872

Tritanopia (blue-blind)

#4B3146

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #511d74;
/* rgb */ color: rgb(81, 29, 116);
/* oklch */ color: oklch(35.7% 0.143 308.0);

Tailwind

colors: {
  custom: {
    50: '#865e9d',
    500: '#511d74',
    950: '#000000',
  },
}

SCSS

$custom: #511d74;
$custom-light: #865e9d;
$custom-dark: #000000;

JSON

{
  "hex": "#511d74",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 116
  },
  "hsl": {
    "h": 275.862,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35661,
    "c": 0.14296,
    "h": 308
  },
  "luminance": 0.03889
}

Semantic roles & 50–950 ramp

primary

#511D74

secondary

#6DA845

accent

#E34584

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #511D74

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

Preview Lab → · Contrast checker → · Palette generator →