#51168E#51168E

#51168E is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.2% C 0.178 H 299.4°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#51168E
RGB	rgb(81, 22, 142)
HSL	hsl(270, 73%, 32%)
HSV	hsv(270, 85%, 56%)
CMYK	cmyk(43%, 84.5%, 0%, 44.3%)
CIE-LAB	lab(24.56, 49.29, -54.08)
CIE-LCH	lch(24.56, 73.17, 312.35°)
OKLab	oklab(37.24% 0.0872 -0.1548)
OKLCH	oklch(37.24% 0.178 299.4)
XYZ	xyz(8.5615, 4.2760, 25.9602)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51168E #538E16

analogous

#16178E #51168E #8D168E

triadic

#51168E #8E5116 #168E51

tetradic

#51168E #8E1617 #538E16 #168E8D

square

#51168E #8E1617 #538E16 #168E8D

split-complementary

#51168E #8E8D16 #178E16

monochromatic

#150624 #330E59 #51168E #6F1EC3 #8E3DE1

Accessibility & contrast

On white

11.32

#51168E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#51168E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51168E

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51168E	#FFFFFF	#000000	##FFFFFF
##51168E	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A91

Deuteranopia (green-blind)

#00398C

Tritanopia (blue-blind)

#423954

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #51168e;
/* rgb */ color: rgb(81, 22, 142);
/* oklch */ color: oklch(37.2% 0.178 299.4);

Tailwind

colors: {
  custom: {
    50: '#895cb0',
    500: '#51168e',
    950: '#000000',
  },
}

SCSS

$custom: #51168e;
$custom-light: #895cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#51168e",
  "rgb": {
    "r": 81,
    "g": 22,
    "b": 142
  },
  "hsl": {
    "h": 269.5,
    "s": 73.171,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37244,
    "c": 0.17764,
    "h": 299.4
  },
  "luminance": 0.04276
}

Semantic roles & 50–950 ramp

primary

#51168E

secondary

#81C13F

accent

#F03895

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0C0511

muted

#7D7980

Preview Lab

Preview with #51168E

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

Preview Lab → · Contrast checker → · Palette generator →