#51186C#51186C

#51186C is a dark, vivid purple. Relative luminance 0.035; OKLCH L 34.5% C 0.141 H 312.3°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#51186C
RGB	rgb(81, 24, 108)
HSL	hsl(281, 64%, 26%)
HSV	hsv(281, 78%, 42%)
CMYK	cmyk(25%, 77.8%, 0%, 57.6%)
CIE-LAB	lab(21.89, 40.37, -36.85)
CIE-LCH	lch(21.89, 54.65, 317.61°)
OKLab	oklab(34.47% 0.0947 -0.1042)
OKLCH	oklch(34.47% 0.141 312.3)
XYZ	xyz(6.4263, 3.4855, 14.5187)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51186C #336C18

analogous

#27186C #51186C #6C185D

triadic

#51186C #6C5118 #186C51

tetradic

#51186C #6C2718 #336C18 #185D6C

square

#51186C #6C2718 #336C18 #185D6C

split-complementary

#51186C #5D6C18 #186C27

monochromatic

#130619 #2B0D3A #51186C #77239E #9C2ED0

Accessibility & contrast

On white

12.37

#51186C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#51186C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51186C

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51186C	#FFFFFF	#000000	##FFFFFF
##51186C	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326E

Deuteranopia (green-blind)

#0D366A

Tritanopia (blue-blind)

#4E2B41

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #51186c;
/* rgb */ color: rgb(81, 24, 108);
/* oklch */ color: oklch(34.5% 0.141 312.3);

Tailwind

colors: {
  custom: {
    50: '#855b97',
    500: '#51186c',
    950: '#000000',
  },
}

SCSS

$custom: #51186c;
$custom-light: #855b97;
$custom-dark: #000000;

JSON

{
  "hex": "#51186c",
  "rgb": {
    "r": 81,
    "g": 24,
    "b": 108
  },
  "hsl": {
    "h": 280.714,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.34465,
    "c": 0.14078,
    "h": 312.3
  },
  "luminance": 0.03485
}

Semantic roles & 50–950 ramp

primary

#51186C

secondary

#5EA23E

accent

#E74176

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #51186C

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

Preview Lab → · Contrast checker → · Palette generator →