#511E8C#511E8C

#511E8C is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.8% C 0.168 H 299.0°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#511E8C
RGB	rgb(81, 30, 140)
HSL	hsl(268, 65%, 33%)
HSV	hsv(268, 79%, 55%)
CMYK	cmyk(42.1%, 78.6%, 0%, 45.1%)
CIE-LAB	lab(25.48, 45.60, -51.34)
CIE-LCH	lch(25.48, 68.67, 311.61°)
OKLab	oklab(37.82% 0.0815 -0.1468)
OKLCH	oklch(37.82% 0.168 299)
XYZ	xyz(8.5900, 4.5712, 25.2356)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E8C #598C1E

analogous

#1E228C #511E8C #881E8C

triadic

#511E8C #8C511E #1E8C51

tetradic

#511E8C #8C1E22 #598C1E #1E8C88

square

#511E8C #8C1E22 #598C1E #1E8C88

split-complementary

#511E8C #8C881E #228C1E

monochromatic

#170827 #34135A #511E8C #6E29BE #8D4CD9

Accessibility & contrast

On white

10.97

#511E8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#511E8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E8C

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E8C	#FFFFFF	#000000	##FFFFFF
##511E8C	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8F

Deuteranopia (green-blind)

#003B8A

Tritanopia (blue-blind)

#433B54

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #511e8c;
/* rgb */ color: rgb(81, 30, 140);
/* oklch */ color: oklch(37.8% 0.168 299.0);

Tailwind

colors: {
  custom: {
    50: '#8860af',
    500: '#511e8c',
    950: '#000000',
  },
}

SCSS

$custom: #511e8c;
$custom-light: #8860af;
$custom-dark: #000000;

JSON

{
  "hex": "#511e8c",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 140
  },
  "hsl": {
    "h": 267.818,
    "s": 64.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.37823,
    "c": 0.16793,
    "h": 299
  },
  "luminance": 0.04571
}

Semantic roles & 50–950 ramp

primary

#511E8C

secondary

#87BB4B

accent

#E8409A

background

#F8F5FA

surface

#F0EAF5

border

#CBC6CF

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511E8C

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

Preview Lab → · Contrast checker → · Palette generator →