#511F6F#511F6F

#511F6F is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.5% C 0.135 H 309.9°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#511F6F
RGB	rgb(81, 31, 111)
HSL	hsl(278, 56%, 28%)
HSV	hsv(278, 72%, 44%)
CMYK	cmyk(27%, 72.1%, 0%, 56.5%)
CIE-LAB	lab(23.26, 37.85, -36.58)
CIE-LCH	lch(23.26, 52.64, 315.98°)
OKLab	oklab(35.51% 0.0864 -0.1034)
OKLCH	oklch(35.51% 0.135 309.9)
XYZ	xyz(6.7520, 3.8771, 15.4285)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F6F #3D6F1F

analogous

#291F6F #511F6F #6F1F65

triadic

#511F6F #6F511F #1F6F51

tetradic

#511F6F #6F291F #3D6F1F #1F656F

square

#511F6F #6F291F #3D6F1F #1F656F

split-complementary

#511F6F #656F1F #1F6F29

monochromatic

#110718 #2E123F #511F6F #742C9F #953FC9

Accessibility & contrast

On white

11.83

#511F6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#511F6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F6F

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F6F	#FFFFFF	#000000	##FFFFFF
##511F6F	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003571

Deuteranopia (green-blind)

#11386D

Tritanopia (blue-blind)

#4D3044

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511f6f;
/* rgb */ color: rgb(81, 31, 111);
/* oklch */ color: oklch(35.5% 0.135 309.9);

Tailwind

colors: {
  custom: {
    50: '#855f99',
    500: '#511f6f',
    950: '#000000',
  },
}

SCSS

$custom: #511f6f;
$custom-light: #855f99;
$custom-dark: #000000;

JSON

{
  "hex": "#511f6f",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 111
  },
  "hsl": {
    "h": 277.5,
    "s": 56.338,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35511,
    "c": 0.1348,
    "h": 309.9
  },
  "luminance": 0.03877
}

Semantic roles & 50–950 ramp

primary

#511F6F

secondary

#69A347

accent

#E04881

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #511F6F

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

Preview Lab → · Contrast checker → · Palette generator →