#51166B#51166B

#51166B is a dark, vivid purple. Relative luminance 0.034; OKLCH L 34.2% C 0.142 H 313.0°. Best body text is #FFFFFF at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#51166B
RGB	rgb(81, 22, 107)
HSL	hsl(282, 66%, 25%)
HSV	hsv(282, 79%, 42%)
CMYK	cmyk(24.3%, 79.4%, 0%, 58%)
CIE-LAB	lab(21.52, 40.97, -36.79)
CIE-LCH	lch(21.52, 55.06, 318.08°)
OKLab	oklab(34.18% 0.0969 -0.104)
OKLCH	oklch(34.18% 0.142 313)
XYZ	xyz(6.3336, 3.3849, 14.2268)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51166B #306B16

analogous

#26166B #51166B #6B165A

triadic

#51166B #6B5116 #166B51

tetradic

#51166B #6B2616 #306B16 #165A6B

square

#51166B #6B2616 #306B16 #165A6B

split-complementary

#51166B #5A6B16 #166B26

monochromatic

#130519 #2B0C38 #51166B #77209E #9E2BD1

Accessibility & contrast

On white

12.52

#51166B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#51166B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51166B

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51166B	#FFFFFF	#000000	##FFFFFF
##51166B	1.00	12.52	1.68	12.52
#FFFFFF	12.52	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316D

Deuteranopia (green-blind)

#0C3569

Tritanopia (blue-blind)

#4E2A40

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #51166b;
/* rgb */ color: rgb(81, 22, 107);
/* oklch */ color: oklch(34.2% 0.142 313.0);

Tailwind

colors: {
  custom: {
    50: '#855a96',
    500: '#51166b',
    950: '#000000',
  },
}

SCSS

$custom: #51166b;
$custom-light: #855a96;
$custom-dark: #000000;

JSON

{
  "hex": "#51166b",
  "rgb": {
    "r": 81,
    "g": 22,
    "b": 107
  },
  "hsl": {
    "h": 281.647,
    "s": 65.891,
    "l": 25.294
  },
  "oklch": {
    "l": 0.3418,
    "c": 0.14214,
    "h": 313
  },
  "luminance": 0.03385
}

Semantic roles & 50–950 ramp

primary

#51166B

secondary

#5BA13B

accent

#E93F73

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #51166B

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

Preview Lab → · Contrast checker → · Palette generator →