#511573#511573

#511573 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.7% C 0.151 H 309.5°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#511573
RGB	rgb(81, 21, 115)
HSL	hsl(278, 69%, 27%)
HSV	hsv(278, 82%, 45%)
CMYK	cmyk(29.6%, 81.7%, 0%, 54.9%)
CIE-LAB	lab(22.03, 43.19, -41.15)
CIE-LCH	lch(22.03, 59.66, 316.39°)
OKLab	oklab(34.74% 0.0961 -0.1168)
OKLCH	oklch(34.74% 0.151 309.5)
XYZ	xyz(6.7554, 3.5236, 16.5406)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511573 #377315

analogous

#221573 #511573 #731566

triadic

#511573 #735115 #157351

tetradic

#511573 #732215 #377315 #156673

square

#511573 #732215 #377315 #156673

split-complementary

#511573 #667315 #157322

monochromatic

#12051A #2D0C3F #511573 #751EA7 #992AD8

Accessibility & contrast

On white

12.32

#511573 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#511573 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511573

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511573	#FFFFFF	#000000	##FFFFFF
##511573	1.00	12.32	1.70	12.32
#FFFFFF	12.32	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003276

Deuteranopia (green-blind)

#003571

Tritanopia (blue-blind)

#4C2D44

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #511573;
/* rgb */ color: rgb(81, 21, 115);
/* oklch */ color: oklch(34.7% 0.151 309.5);

Tailwind

colors: {
  custom: {
    50: '#865a9c',
    500: '#511573',
    950: '#000000',
  },
}

SCSS

$custom: #511573;
$custom-light: #865a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#511573",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 115
  },
  "hsl": {
    "h": 278.298,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.34738,
    "c": 0.15128,
    "h": 309.5
  },
  "luminance": 0.03523
}

Semantic roles & 50–950 ramp

primary

#511573

secondary

#63A93B

accent

#EC3C7C

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040E

muted

#7D797E

Preview Lab

Preview with #511573

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

Preview Lab → · Contrast checker → · Palette generator →