#511A7C#511A7C

#511A7C is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.0% C 0.155 H 305.2°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#511A7C
RGB	rgb(81, 26, 124)
HSL	hsl(274, 65%, 29%)
HSV	hsv(274, 79%, 49%)
CMYK	cmyk(34.7%, 79%, 0%, 51.4%)
CIE-LAB	lab(23.48, 43.31, -44.54)
CIE-LCH	lch(23.48, 62.13, 314.20°)
OKLab	oklab(35.99% 0.0893 -0.1268)
OKLCH	oklch(35.99% 0.155 305.2)
XYZ	xyz(7.4000, 3.9434, 19.4362)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.67

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A7C #457C1A

analogous

#201A7C #511A7C #7C1A76

triadic

#511A7C #7C511A #1A7C51

tetradic

#511A7C #7C201A #457C1A #1A767C

square

#511A7C #7C201A #457C1A #1A767C

split-complementary

#511A7C #767C1A #1A7C20

monochromatic

#110519 #300F49 #511A7C #7225AF #923BD6

Accessibility & contrast

On white

11.74

#511A7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#511A7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A7C

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A7C	#FFFFFF	#000000	##FFFFFF
##511A7C	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367F

Deuteranopia (green-blind)

#00387A

Tritanopia (blue-blind)

#49334A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #511a7c;
/* rgb */ color: rgb(81, 26, 124);
/* oklch */ color: oklch(36.0% 0.155 305.2);

Tailwind

colors: {
  custom: {
    50: '#875da3',
    500: '#511a7c',
    950: '#000000',
  },
}

SCSS

$custom: #511a7c;
$custom-light: #875da3;
$custom-dark: #000000;

JSON

{
  "hex": "#511a7c",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 124
  },
  "hsl": {
    "h": 273.673,
    "s": 65.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.35993,
    "c": 0.15511,
    "h": 305.2
  },
  "luminance": 0.03943
}

Semantic roles & 50–950 ramp

primary

#511A7C

secondary

#72B042

accent

#E8408A

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #511A7C

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

Preview Lab → · Contrast checker → · Palette generator →