#51168B#51168B

#51168B is a dark, vivid violet. Relative luminance 0.042; OKLCH L 37.0% C 0.175 H 300.3°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#51168B
RGB	rgb(81, 22, 139)
HSL	hsl(270, 73%, 32%)
HSV	hsv(270, 84%, 55%)
CMYK	cmyk(41.7%, 84.2%, 0%, 45.5%)
CIE-LAB	lab(24.28, 48.55, -52.67)
CIE-LCH	lch(24.28, 71.64, 312.67°)
OKLab	oklab(36.96% 0.0882 -0.1507)
OKLCH	oklch(36.96% 0.175 300.3)
XYZ	xyz(8.3393, 4.1871, 24.7899)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51168B #508B16

analogous

#16168B #51168B #8B168B

triadic

#51168B #8B5116 #168B51

tetradic

#51168B #8B1616 #508B16 #168B8B

square

#51168B #8B1616 #508B16 #168B8B

split-complementary

#51168B #8B8B16 #168B16

monochromatic

#130521 #320E56 #51168B #701EC0 #8E3BE0

Accessibility & contrast

On white

11.43

#51168B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#51168B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51168B

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51168B	#FFFFFF	#000000	##FFFFFF
##51168B	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398E

Deuteranopia (green-blind)

#003989

Tritanopia (blue-blind)

#433852

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #51168b;
/* rgb */ color: rgb(81, 22, 139);
/* oklch */ color: oklch(37.0% 0.175 300.3);

Tailwind

colors: {
  custom: {
    50: '#885cae',
    500: '#51168b',
    950: '#000000',
  },
}

SCSS

$custom: #51168b;
$custom-light: #885cae;
$custom-dark: #000000;

JSON

{
  "hex": "#51168b",
  "rgb": {
    "r": 81,
    "g": 22,
    "b": 139
  },
  "hsl": {
    "h": 270.256,
    "s": 72.671,
    "l": 31.569
  },
  "oklch": {
    "l": 0.36962,
    "c": 0.17458,
    "h": 300.3
  },
  "luminance": 0.04187
}

Semantic roles & 50–950 ramp

primary

#51168B

secondary

#7EBF3E

accent

#EF3893

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0410

muted

#7D797F

Preview Lab

Preview with #51168B

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

Preview Lab → · Contrast checker → · Palette generator →