#511C68#511C68

#511C68 is a dark, vivid purple. Relative luminance 0.036; OKLCH L 34.6% C 0.131 H 313.7°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#511C68
RGB	rgb(81, 28, 104)
HSL	hsl(282, 58%, 26%)
HSV	hsv(282, 73%, 41%)
CMYK	cmyk(22.1%, 73.1%, 0%, 59.2%)
CIE-LAB	lab(22.23, 37.64, -33.70)
CIE-LCH	lch(22.23, 50.52, 318.16°)
OKLab	oklab(34.61% 0.0907 -0.095)
OKLCH	oklch(34.61% 0.131 313.7)
XYZ	xyz(6.3069, 3.5795, 13.4527)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C68 #33681C

analogous

#2B1C68 #511C68 #681C59

triadic

#511C68 #68511C #1C6851

tetradic

#511C68 #682B1C #33681C #1C5968

square

#511C68 #682B1C #33681C #1C5968

split-complementary

#511C68 #59681C #1C682B

monochromatic

#130618 #2B0F38 #511C68 #772998 #9C36C8

Accessibility & contrast

On white

12.24

#511C68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#511C68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C68

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C68	#FFFFFF	#000000	##FFFFFF
##511C68	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326A

Deuteranopia (green-blind)

#173666

Tritanopia (blue-blind)

#4F2C40

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #511c68;
/* rgb */ color: rgb(81, 28, 104);
/* oklch */ color: oklch(34.6% 0.131 313.7);

Tailwind

colors: {
  custom: {
    50: '#855d94',
    500: '#511c68',
    950: '#000000',
  },
}

SCSS

$custom: #511c68;
$custom-light: #855d94;
$custom-dark: #000000;

JSON

{
  "hex": "#511c68",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 104
  },
  "hsl": {
    "h": 281.842,
    "s": 57.576,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3461,
    "c": 0.13136,
    "h": 313.7
  },
  "luminance": 0.03579
}

Semantic roles & 50–950 ramp

primary

#511C68

secondary

#5E9D43

accent

#E14776

background

#F8F5F9

surface

#EFE9F1

border

#CAC5CB

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511C68

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

Preview Lab → · Contrast checker → · Palette generator →