#511668#511668

#511668 is a dark, vivid purple. Relative luminance 0.033; OKLCH L 33.9% C 0.139 H 314.4°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#511668
RGB	rgb(81, 22, 104)
HSL	hsl(283, 65%, 25%)
HSV	hsv(283, 79%, 41%)
CMYK	cmyk(22.1%, 78.8%, 0%, 59.2%)
CIE-LAB	lab(21.29, 40.30, -35.21)
CIE-LCH	lch(21.29, 53.51, 318.85°)
OKLab	oklab(33.94% 0.0974 -0.0994)
OKLCH	oklch(33.94% 0.139 314.4)
XYZ	xyz(6.1785, 3.3228, 13.4099)
Luminance	0.0332 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511668 #2D6816

analogous

#281668 #511668 #681656

triadic

#511668 #685116 #166851

tetradic

#511668 #682816 #2D6816 #165668

square

#511668 #682816 #2D6816 #165668

split-complementary

#511668 #566816 #166828

monochromatic

#140519 #2A0B35 #511668 #78219B #A02BCD

Accessibility & contrast

On white

12.62

#511668 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#511668 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511668

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511668	#FFFFFF	#000000	##FFFFFF
##511668	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306A

Deuteranopia (green-blind)

#113566

Tritanopia (blue-blind)

#4F283E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #511668;
/* rgb */ color: rgb(81, 22, 104);
/* oklch */ color: oklch(33.9% 0.139 314.4);

Tailwind

colors: {
  custom: {
    50: '#855a94',
    500: '#511668',
    950: '#000000',
  },
}

SCSS

$custom: #511668;
$custom-light: #855a94;
$custom-dark: #000000;

JSON

{
  "hex": "#511668",
  "rgb": {
    "r": 81,
    "g": 22,
    "b": 104
  },
  "hsl": {
    "h": 283.171,
    "s": 65.079,
    "l": 24.706
  },
  "oklch": {
    "l": 0.33944,
    "c": 0.13914,
    "h": 314.4
  },
  "luminance": 0.03323
}

Semantic roles & 50–950 ramp

primary

#511668

secondary

#579F3B

accent

#E8406F

background

#F8F5F9

surface

#F0E9F1

border

#CBC5CB

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511668

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

Preview Lab → · Contrast checker → · Palette generator →