#51137E#51137E

#51137E is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.5% C 0.164 H 305.2°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#51137E
RGB	rgb(81, 19, 126)
HSL	hsl(275, 74%, 28%)
HSV	hsv(275, 85%, 49%)
CMYK	cmyk(35.7%, 84.9%, 0%, 50.6%)
CIE-LAB	lab(22.73, 46.48, -47.04)
CIE-LCH	lch(22.73, 66.13, 314.66°)
OKLab	oklab(35.52% 0.0947 -0.1341)
OKLCH	oklch(35.52% 0.164 305.2)
XYZ	xyz(7.3913, 3.7215, 20.0636)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.57

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51137E #407E13

analogous

#1B137E #51137E #7E1375

triadic

#51137E #7E5113 #137E51

tetradic

#51137E #7E1B13 #407E13 #13757E

square

#51137E #7E1B13 #407E13 #13757E

split-complementary

#51137E #757E13 #137E1B

monochromatic

#11041B #2F0B49 #51137E #731BB3 #942CDF

Accessibility & contrast

On white

12.04

#51137E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#51137E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51137E

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51137E	#FFFFFF	#000000	##FFFFFF
##51137E	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003581

Deuteranopia (green-blind)

#00367C

Tritanopia (blue-blind)

#48314A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #51137e;
/* rgb */ color: rgb(81, 19, 126);
/* oklch */ color: oklch(35.5% 0.164 305.2);

Tailwind

colors: {
  custom: {
    50: '#875aa4',
    500: '#51137e',
    950: '#000000',
  },
}

SCSS

$custom: #51137e;
$custom-light: #875aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#51137e",
  "rgb": {
    "r": 81,
    "g": 19,
    "b": 126
  },
  "hsl": {
    "h": 274.766,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3552,
    "c": 0.16416,
    "h": 305.2
  },
  "luminance": 0.03721
}

Semantic roles & 50–950 ramp

primary

#51137E

secondary

#6DB439

accent

#F03785

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #51137E

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

Preview Lab → · Contrast checker → · Palette generator →