#511D7E#511D7E

#511D7E is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.5% C 0.154 H 304.0°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#511D7E
RGB	rgb(81, 29, 126)
HSL	hsl(272, 63%, 30%)
HSV	hsv(272, 77%, 49%)
CMYK	cmyk(35.7%, 77%, 0%, 50.6%)
CIE-LAB	lab(24.11, 42.49, -44.78)
CIE-LCH	lch(24.11, 61.74, 313.50°)
OKLab	oklab(36.49% 0.086 -0.1275)
OKLCH	oklch(36.49% 0.154 304)
XYZ	xyz(7.5977, 4.1344, 20.1324)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.01

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D7E #4A7E1D

analogous

#201D7E #511D7E #7E1D7A

triadic

#511D7E #7E511D #1D7E51

tetradic

#511D7E #7E201D #4A7E1D #1D7A7E

square

#511D7E #7E201D #4A7E1D #1D7A7E

split-complementary

#511D7E #7A7E1D #1D7E20

monochromatic

#11061B #31124C #511D7E #7128B0 #9042D3

Accessibility & contrast

On white

11.50

#511D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#511D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D7E

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D7E	#FFFFFF	#000000	##FFFFFF
##511D7E	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003881

Deuteranopia (green-blind)

#00397C

Tritanopia (blue-blind)

#48354C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511d7e;
/* rgb */ color: rgb(81, 29, 126);
/* oklch */ color: oklch(36.5% 0.154 304.0);

Tailwind

colors: {
  custom: {
    50: '#875fa4',
    500: '#511d7e',
    950: '#000000',
  },
}

SCSS

$custom: #511d7e;
$custom-light: #875fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#511d7e",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 126
  },
  "hsl": {
    "h": 272.165,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.36488,
    "c": 0.15382,
    "h": 304
  },
  "luminance": 0.04134
}

Semantic roles & 50–950 ramp

primary

#511D7E

secondary

#77B145

accent

#E6428E

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511D7E

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

Preview Lab → · Contrast checker → · Palette generator →