#511D75#511D75

#511D75 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.7% C 0.144 H 307.6°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#511D75
RGB	rgb(81, 29, 117)
HSL	hsl(275, 60%, 29%)
HSV	hsv(275, 75%, 46%)
CMYK	cmyk(30.8%, 75.2%, 0%, 54.1%)
CIE-LAB	lab(23.38, 40.27, -40.24)
CIE-LCH	lch(23.38, 56.93, 315.02°)
OKLab	oklab(35.74% 0.0878 -0.1142)
OKLCH	oklch(35.74% 0.144 307.6)
XYZ	xyz(7.0429, 3.9125, 17.2103)
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

#511D75 #41751D

analogous

#251D75 #511D75 #751D6D

triadic

#511D75 #75511D #1D7551

tetradic

#511D75 #75251D #41751D #1D6D75

square

#511D75 #75251D #41751D #1D6D75

split-complementary

#511D75 #6D751D #1D7525

monochromatic

#110619 #2F1144 #511D75 #7329A6 #933DCF

Accessibility & contrast

On white

11.78

#511D75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#511D75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D75

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D75	#FFFFFF	#000000	##FFFFFF
##511D75	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)

#003678

Deuteranopia (green-blind)

#013873

Tritanopia (blue-blind)

#4B3147

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #511d75;
/* rgb */ color: rgb(81, 29, 117);
/* oklch */ color: oklch(35.7% 0.144 307.6);

Tailwind

colors: {
  custom: {
    50: '#865e9d',
    500: '#511d75',
    950: '#000000',
  },
}

SCSS

$custom: #511d75;
$custom-light: #865e9d;
$custom-dark: #000000;

JSON

{
  "hex": "#511d75",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 117
  },
  "hsl": {
    "h": 275.455,
    "s": 60.274,
    "l": 28.627
  },
  "oklch": {
    "l": 0.35741,
    "c": 0.14405,
    "h": 307.6
  },
  "luminance": 0.03912
}

Semantic roles & 50–950 ramp

primary

#511D75

secondary

#6EA945

accent

#E34485

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #511D75

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

Preview Lab → · Contrast checker → · Palette generator →