#511E68#511E68

#511E68 is a dark, vivid purple. Relative luminance 0.037; OKLCH L 34.9% C 0.129 H 313.4°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#511E68
RGB	rgb(81, 30, 104)
HSL	hsl(281, 55%, 26%)
HSV	hsv(281, 71%, 41%)
CMYK	cmyk(22.1%, 71.2%, 0%, 59.2%)
CIE-LAB	lab(22.58, 36.67, -33.14)
CIE-LCH	lch(22.58, 49.43, 317.90°)
OKLab	oklab(34.86% 0.0883 -0.0934)
OKLCH	oklch(34.86% 0.129 313.4)
XYZ	xyz(6.3559, 3.6775, 13.4690)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E68 #35681E

analogous

#2C1E68 #511E68 #681E5A

triadic

#511E68 #68511E #1E6851

tetradic

#511E68 #682C1E #35681E #1E5A68

square

#511E68 #682C1E #35681E #1E5A68

split-complementary

#511E68 #5A681E #1E682C

monochromatic

#120718 #2C1039 #511E68 #762C98 #9B3AC6

Accessibility & contrast

On white

12.10

#511E68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#511E68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E68

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E68	#FFFFFF	#000000	##FFFFFF
##511E68	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336A

Deuteranopia (green-blind)

#193766

Tritanopia (blue-blind)

#4F2D40

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511e68;
/* rgb */ color: rgb(81, 30, 104);
/* oklch */ color: oklch(34.9% 0.129 313.4);

Tailwind

colors: {
  custom: {
    50: '#855e94',
    500: '#511e68',
    950: '#000000',
  },
}

SCSS

$custom: #511e68;
$custom-light: #855e94;
$custom-dark: #000000;

JSON

{
  "hex": "#511e68",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 104
  },
  "hsl": {
    "h": 281.351,
    "s": 55.224,
    "l": 26.275
  },
  "oklch": {
    "l": 0.34858,
    "c": 0.12852,
    "h": 313.4
  },
  "luminance": 0.03677
}

Semantic roles & 50–950 ramp

primary

#511E68

secondary

#609D45

accent

#DF4978

background

#F8F5F9

surface

#EFE9F1

border

#CAC5CB

text

#0B050D

muted

#7C797E

Preview Lab

Preview with #511E68

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

Preview Lab → · Contrast checker → · Palette generator →