#51167E#51167E

#51167E is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.8% C 0.161 H 304.9°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#51167E
RGB	rgb(81, 22, 126)
HSL	hsl(274, 70%, 29%)
HSV	hsv(274, 83%, 49%)
CMYK	cmyk(35.7%, 82.5%, 0%, 50.6%)
CIE-LAB	lab(23.10, 45.40, -46.43)
CIE-LCH	lch(23.10, 64.94, 314.36°)
OKLab	oklab(35.78% 0.0923 -0.1323)
OKLCH	oklch(35.78% 0.161 304.9)
XYZ	xyz(7.4453, 3.8295, 20.0816)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.93

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51167E #437E16

analogous

#1D167E #51167E #7E1677

triadic

#51167E #7E5116 #167E51

tetradic

#51167E #7E1D16 #437E16 #16777E

square

#51167E #7E1D16 #437E16 #16777E

split-complementary

#51167E #777E16 #167E1D

monochromatic

#11051A #300D4A #51167E #721FB2 #9333DB

Accessibility & contrast

On white

11.89

#51167E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#51167E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51167E

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51167E	#FFFFFF	#000000	##FFFFFF
##51167E	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003681

Deuteranopia (green-blind)

#00377C

Tritanopia (blue-blind)

#48324A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #51167e;
/* rgb */ color: rgb(81, 22, 126);
/* oklch */ color: oklch(35.8% 0.161 304.9);

Tailwind

colors: {
  custom: {
    50: '#875ba4',
    500: '#51167e',
    950: '#000000',
  },
}

SCSS

$custom: #51167e;
$custom-light: #875ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#51167e",
  "rgb": {
    "r": 81,
    "g": 22,
    "b": 126
  },
  "hsl": {
    "h": 274.038,
    "s": 70.27,
    "l": 29.02
  },
  "oklch": {
    "l": 0.35779,
    "c": 0.16137,
    "h": 304.9
  },
  "luminance": 0.0383
}

Semantic roles & 50–950 ramp

primary

#51167E

secondary

#70B33D

accent

#ED3B88

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #51167E

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

Preview Lab → · Contrast checker → · Palette generator →