#511E7C#511E7C

#511E7C is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.4% C 0.150 H 304.6°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#511E7C
RGB	rgb(81, 30, 124)
HSL	hsl(273, 61%, 30%)
HSV	hsv(273, 76%, 49%)
CMYK	cmyk(34.7%, 75.8%, 0%, 51.4%)
CIE-LAB	lab(24.11, 41.54, -43.52)
CIE-LCH	lch(24.11, 60.16, 313.66°)
OKLab	oklab(36.43% 0.0854 -0.1238)
OKLCH	oklch(36.43% 0.15 304.6)
XYZ	xyz(7.4949, 4.1331, 19.4678)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.34

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E7C #497C1E

analogous

#221E7C #511E7C #7C1E78

triadic

#511E7C #7C511E #1E7C51

tetradic

#511E7C #7C221E #497C1E #1E787C

square

#511E7C #7C221E #497C1E #1E787C

split-complementary

#511E7C #787C1E #1E7C22

monochromatic

#110619 #31124B #511E7C #712AAD #9043D1

Accessibility & contrast

On white

11.50

#511E7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#511E7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E7C

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E7C	#FFFFFF	#000000	##FFFFFF
##511E7C	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)

#00387F

Deuteranopia (green-blind)

#00397A

Tritanopia (blue-blind)

#49354B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511e7c;
/* rgb */ color: rgb(81, 30, 124);
/* oklch */ color: oklch(36.4% 0.150 304.6);

Tailwind

colors: {
  custom: {
    50: '#865fa3',
    500: '#511e7c',
    950: '#000000',
  },
}

SCSS

$custom: #511e7c;
$custom-light: #865fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#511e7c",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 124
  },
  "hsl": {
    "h": 272.553,
    "s": 61.039,
    "l": 30.196
  },
  "oklch": {
    "l": 0.36433,
    "c": 0.15044,
    "h": 304.6
  },
  "luminance": 0.04133
}

Semantic roles & 50–950 ramp

primary

#511E7C

secondary

#76AF46

accent

#E4448D

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511E7C

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

Preview Lab → · Contrast checker → · Palette generator →