#51105C#51105C

#51105C is a dark, vivid purple. Relative luminance 0.029; OKLCH L 32.5% C 0.134 H 321.3°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#51105C
RGB	rgb(81, 16, 92)
HSL	hsl(291, 70%, 21%)
HSV	hsv(291, 83%, 36%)
CMYK	cmyk(12%, 82.6%, 0%, 63.9%)
CIE-LAB	lab(19.61, 40.02, -30.00)
CIE-LCH	lch(19.61, 50.02, 323.15°)
OKLab	oklab(32.47% 0.105 -0.084)
OKLCH	oklch(32.47% 0.134 321.3)
XYZ	xyz(5.5102, 2.8929, 10.3913)
Luminance	0.0289 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51105C #1B5C10

analogous

#2B105C #51105C #5C1041

triadic

#51105C #5C5110 #105C51

tetradic

#51105C #5C2B10 #1B5C10 #10415C

square

#51105C #5C2B10 #1B5C10 #10415C

split-complementary

#51105C #415C10 #105C2B

monochromatic

#17051A #230728 #51105C #7F1990 #AD22C4

Accessibility & contrast

On white

13.30

#51105C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#51105C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51105C

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51105C	#FFFFFF	#000000	##FFFFFF
##51105C	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B5E

Deuteranopia (green-blind)

#1A325A

Tritanopia (blue-blind)

#522036

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #51105c;
/* rgb */ color: rgb(81, 16, 92);
/* oklch */ color: oklch(32.5% 0.134 321.3);

Tailwind

colors: {
  custom: {
    50: '#85578b',
    500: '#51105c',
    950: '#000000',
  },
}

SCSS

$custom: #51105c;
$custom-light: #85578b;
$custom-dark: #000000;

JSON

{
  "hex": "#51105c",
  "rgb": {
    "r": 81,
    "g": 16,
    "b": 92
  },
  "hsl": {
    "h": 291.316,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.3247,
    "c": 0.13447,
    "h": 321.3
  },
  "luminance": 0.02893
}

Semantic roles & 50–950 ramp

primary

#51105C

secondary

#419533

accent

#ED3B54

background

#F8F5F8

surface

#F0E9F0

border

#CBC5CB

text

#0B030C

muted

#7C787D

Preview Lab

Preview with #51105C

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

Preview Lab → · Contrast checker → · Palette generator →