#511E80#511E80

#511E80 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.8% C 0.155 H 303.1°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#511E80
RGB	rgb(81, 30, 128)
HSL	hsl(271, 62%, 31%)
HSV	hsv(271, 77%, 50%)
CMYK	cmyk(36.7%, 76.6%, 0%, 49.8%)
CIE-LAB	lab(24.44, 42.54, -45.51)
CIE-LCH	lch(24.44, 62.30, 313.07°)
OKLab	oklab(36.77% 0.0845 -0.1297)
OKLCH	oklch(36.77% 0.155 303.1)
XYZ	xyz(7.7530, 4.2364, 20.8271)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.08

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E80 #4D801E

analogous

#201E80 #511E80 #801E7E

triadic

#511E80 #80511E #1E8051

tetradic

#511E80 #80201E #4D801E #1E7E80

square

#511E80 #80201E #4D801E #1E7E80

split-complementary

#511E80 #7E801E #1E8020

monochromatic

#12071D #32124E #511E80 #702AB2 #8F45D3

Accessibility & contrast

On white

11.37

#511E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#511E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E80

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E80	#FFFFFF	#000000	##FFFFFF
##511E80	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003983

Deuteranopia (green-blind)

#003A7E

Tritanopia (blue-blind)

#47364D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #511e80;
/* rgb */ color: rgb(81, 30, 128);
/* oklch */ color: oklch(36.8% 0.155 303.1);

Tailwind

colors: {
  custom: {
    50: '#875fa6',
    500: '#511e80',
    950: '#000000',
  },
}

SCSS

$custom: #511e80;
$custom-light: #875fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#511e80",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 128
  },
  "hsl": {
    "h": 271.224,
    "s": 62.025,
    "l": 30.98
  },
  "oklch": {
    "l": 0.3677,
    "c": 0.15483,
    "h": 303.1
  },
  "luminance": 0.04236
}

Semantic roles & 50–950 ramp

primary

#511E80

secondary

#7BB347

accent

#E54391

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511E80

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

Preview Lab → · Contrast checker → · Palette generator →