#511E66#511E66

#511E66 is a dark, vivid purple. Relative luminance 0.036; OKLCH L 34.7% C 0.126 H 314.4°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#511E66
RGB	rgb(81, 30, 102)
HSL	hsl(283, 55%, 26%)
HSV	hsv(283, 71%, 40%)
CMYK	cmyk(20.6%, 70.6%, 0%, 60%)
CIE-LAB	lab(22.43, 36.21, -32.06)
CIE-LCH	lch(22.43, 48.36, 318.47°)
OKLab	oklab(34.71% 0.0885 -0.0902)
OKLCH	oklch(34.71% 0.126 314.4)
XYZ	xyz(6.2555, 3.6374, 12.9404)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E66 #33661E

analogous

#2D1E66 #511E66 #661E57

triadic

#511E66 #66511E #1E6651

tetradic

#511E66 #662D1E #33661E #1E5766

square

#511E66 #662D1E #33661E #1E5766

split-complementary

#511E66 #57661E #1E662D

monochromatic

#130718 #2B1037 #511E66 #772C95 #9C3AC5

Accessibility & contrast

On white

12.16

#511E66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#511E66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E66

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E66	#FFFFFF	#000000	##FFFFFF
##511E66	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003368

Deuteranopia (green-blind)

#1B3764

Tritanopia (blue-blind)

#4F2C3F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511e66;
/* rgb */ color: rgb(81, 30, 102);
/* oklch */ color: oklch(34.7% 0.126 314.4);

Tailwind

colors: {
  custom: {
    50: '#855e92',
    500: '#511e66',
    950: '#000000',
  },
}

SCSS

$custom: #511e66;
$custom-light: #855e92;
$custom-dark: #000000;

JSON

{
  "hex": "#511e66",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 102
  },
  "hsl": {
    "h": 282.5,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.34711,
    "c": 0.12634,
    "h": 314.4
  },
  "luminance": 0.03637
}

Semantic roles & 50–950 ramp

primary

#511E66

secondary

#5E9B45

accent

#DE4A75

background

#F8F5F9

surface

#EFE9F1

border

#CAC5CB

text

#0B050D

muted

#7C797E

Preview Lab

Preview with #511E66

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

Preview Lab → · Contrast checker → · Palette generator →