#51186B#51186B

#51186B is a dark, vivid purple. Relative luminance 0.035; OKLCH L 34.4% C 0.140 H 312.7°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#51186B
RGB	rgb(81, 24, 107)
HSL	hsl(281, 63%, 26%)
HSV	hsv(281, 78%, 42%)
CMYK	cmyk(24.3%, 77.6%, 0%, 58%)
CIE-LAB	lab(21.81, 40.14, -36.32)
CIE-LCH	lch(21.81, 54.13, 317.86°)
OKLab	oklab(34.39% 0.0948 -0.1026)
OKLCH	oklch(34.39% 0.14 312.7)
XYZ	xyz(6.3733, 3.4643, 14.2400)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51186B #326B18

analogous

#27186B #51186B #6B185B

triadic

#51186B #6B5118 #186B51

tetradic

#51186B #6B2718 #326B18 #185B6B

square

#51186B #6B2718 #326B18 #185B6B

split-complementary

#51186B #5B6B18 #186B27

monochromatic

#130619 #2B0D39 #51186B #77239D #9D2ECF

Accessibility & contrast

On white

12.41

#51186B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#51186B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51186B

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51186B	#FFFFFF	#000000	##FFFFFF
##51186B	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316D

Deuteranopia (green-blind)

#0E3569

Tritanopia (blue-blind)

#4E2B40

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #51186b;
/* rgb */ color: rgb(81, 24, 107);
/* oklch */ color: oklch(34.4% 0.140 312.7);

Tailwind

colors: {
  custom: {
    50: '#855b96',
    500: '#51186b',
    950: '#000000',
  },
}

SCSS

$custom: #51186b;
$custom-light: #855b96;
$custom-dark: #000000;

JSON

{
  "hex": "#51186b",
  "rgb": {
    "r": 81,
    "g": 24,
    "b": 107
  },
  "hsl": {
    "h": 281.205,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.34386,
    "c": 0.13975,
    "h": 312.7
  },
  "luminance": 0.03464
}

Semantic roles & 50–950 ramp

primary

#51186B

secondary

#5DA13E

accent

#E64175

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #51186B

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

Preview Lab → · Contrast checker → · Palette generator →