#511F84#511F84

#511F84 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.2% C 0.158 H 301.5°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#511F84
RGB	rgb(81, 31, 132)
HSL	hsl(270, 62%, 32%)
HSV	hsv(270, 77%, 52%)
CMYK	cmyk(38.6%, 76.5%, 0%, 48.2%)
CIE-LAB	lab(24.94, 43.10, -47.22)
CIE-LCH	lch(24.94, 63.93, 312.39°)
OKLab	oklab(37.23% 0.0826 -0.1347)
OKLCH	oklch(37.23% 0.158 301.5)
XYZ	xyz(8.0472, 4.3952, 22.2497)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.14

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F84 #52841F

analogous

#1F2084 #511F84 #841F84

triadic

#511F84 #84511F #1F8451

tetradic

#511F84 #841F20 #52841F #1F8484

square

#511F84 #841F20 #52841F #1F8484

split-complementary

#511F84 #84841F #20841F

monochromatic

#140821 #331352 #511F84 #6F2BB6 #8E49D4

Accessibility & contrast

On white

11.18

#511F84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#511F84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F84

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F84	#FFFFFF	#000000	##FFFFFF
##511F84	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B87

Deuteranopia (green-blind)

#003B82

Tritanopia (blue-blind)

#463950

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #511f84;
/* rgb */ color: rgb(81, 31, 132);
/* oklch */ color: oklch(37.2% 0.158 301.5);

Tailwind

colors: {
  custom: {
    50: '#8760a9',
    500: '#511f84',
    950: '#000000',
  },
}

SCSS

$custom: #511f84;
$custom-light: #8760a9;
$custom-dark: #000000;

JSON

{
  "hex": "#511f84",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 132
  },
  "hsl": {
    "h": 269.703,
    "s": 61.963,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37228,
    "c": 0.15806,
    "h": 301.5
  },
  "luminance": 0.04395
}

Semantic roles & 50–950 ramp

primary

#511F84

secondary

#80B748

accent

#E54395

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511F84

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

Preview Lab → · Contrast checker → · Palette generator →