#511A7F#511A7F

#511A7F is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.3% C 0.158 H 304.0°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#511A7F
RGB	rgb(81, 26, 127)
HSL	hsl(273, 66%, 30%)
HSV	hsv(273, 80%, 50%)
CMYK	cmyk(36.2%, 79.5%, 0%, 50.2%)
CIE-LAB	lab(23.74, 44.05, -46.02)
CIE-LCH	lch(23.74, 63.71, 313.75°)
OKLab	oklab(36.25% 0.0886 -0.1312)
OKLCH	oklch(36.25% 0.158 304)
XYZ	xyz(7.5926, 4.0204, 20.4506)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.45

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A7F #487F1A

analogous

#1E1A7F #511A7F #7F1A7B

triadic

#511A7F #7F511A #1A7F51

tetradic

#511A7F #7F1E1A #487F1A #1A7B7F

square

#511A7F #7F1E1A #487F1A #1A7B7F

split-complementary

#511A7F #7B7F1A #1A7F1E

monochromatic

#100519 #31104C #511A7F #7124B2 #913CD7

Accessibility & contrast

On white

11.64

#511A7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#511A7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A7F

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A7F	#FFFFFF	#000000	##FFFFFF
##511A7F	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003782

Deuteranopia (green-blind)

#00387D

Tritanopia (blue-blind)

#48344C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #511a7f;
/* rgb */ color: rgb(81, 26, 127);
/* oklch */ color: oklch(36.3% 0.158 304.0);

Tailwind

colors: {
  custom: {
    50: '#875da5',
    500: '#511a7f',
    950: '#000000',
  },
}

SCSS

$custom: #511a7f;
$custom-light: #875da5;
$custom-dark: #000000;

JSON

{
  "hex": "#511a7f",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 127
  },
  "hsl": {
    "h": 272.673,
    "s": 66.013,
    "l": 30
  },
  "oklch": {
    "l": 0.36252,
    "c": 0.15828,
    "h": 304
  },
  "luminance": 0.0402
}

Semantic roles & 50–950 ramp

primary

#511A7F

secondary

#75B342

accent

#E93F8C

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511A7F

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

Preview Lab → · Contrast checker → · Palette generator →