#511C7F#511C7F

#511C7F is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.5% C 0.156 H 303.8°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#511C7F
RGB	rgb(81, 28, 127)
HSL	hsl(272, 64%, 30%)
HSV	hsv(272, 78%, 50%)
CMYK	cmyk(36.2%, 78%, 0%, 50.2%)
CIE-LAB	lab(24.04, 43.19, -45.53)
CIE-LCH	lch(24.04, 62.76, 313.49°)
OKLab	oklab(36.46% 0.0867 -0.1297)
OKLCH	oklch(36.46% 0.156 303.8)
XYZ	xyz(7.6385, 4.1122, 20.4659)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.78

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C7F #4A7F1C

analogous

#1F1C7F #511C7F #7F1C7B

triadic

#511C7F #7F511C #1C7F51

tetradic

#511C7F #7F1F1C #4A7F1C #1C7B7F

square

#511C7F #7F1F1C #4A7F1C #1C7B7F

split-complementary

#511C7F #7B7F1C #1C7F1F

monochromatic

#11061B #31114D #511C7F #7127B1 #9040D5

Accessibility & contrast

On white

11.52

#511C7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#511C7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C7F

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C7F	#FFFFFF	#000000	##FFFFFF
##511C7F	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003882

Deuteranopia (green-blind)

#00397D

Tritanopia (blue-blind)

#48354C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511c7f;
/* rgb */ color: rgb(81, 28, 127);
/* oklch */ color: oklch(36.5% 0.156 303.8);

Tailwind

colors: {
  custom: {
    50: '#875ea5',
    500: '#511c7f',
    950: '#000000',
  },
}

SCSS

$custom: #511c7f;
$custom-light: #875ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#511c7f",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 127
  },
  "hsl": {
    "h": 272.121,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.36463,
    "c": 0.15606,
    "h": 303.8
  },
  "luminance": 0.04112
}

Semantic roles & 50–950 ramp

primary

#511C7F

secondary

#77B344

accent

#E7418E

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511C7F

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

Preview Lab → · Contrast checker → · Palette generator →