#511785#511785

#511785 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.5% C 0.168 H 302.3°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#511785
RGB	rgb(81, 23, 133)
HSL	hsl(272, 71%, 31%)
HSV	hsv(272, 83%, 52%)
CMYK	cmyk(39.1%, 82.7%, 0%, 47.8%)
CIE-LAB	lab(23.85, 46.72, -49.62)
CIE-LCH	lch(23.85, 68.15, 313.28°)
OKLab	oklab(36.5% 0.0894 -0.1417)
OKLCH	oklch(36.5% 0.168 302.3)
XYZ	xyz(7.9324, 4.0556, 22.5506)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.83

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511785 #4B8517

analogous

#1A1785 #511785 #851782

triadic

#511785 #855117 #178551

tetradic

#511785 #851A17 #4B8517 #178285

square

#511785 #851A17 #4B8517 #178285

split-complementary

#511785 #828517 #17851A

monochromatic

#11051D #310E51 #511785 #7120B9 #903ADD

Accessibility & contrast

On white

11.59

#511785 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#511785 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511785

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511785	#FFFFFF	#000000	##FFFFFF
##511785	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003888

Deuteranopia (green-blind)

#003883

Tritanopia (blue-blind)

#46354F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511785;
/* rgb */ color: rgb(81, 23, 133);
/* oklch */ color: oklch(36.5% 0.168 302.3);

Tailwind

colors: {
  custom: {
    50: '#885ca9',
    500: '#511785',
    950: '#000000',
  },
}

SCSS

$custom: #511785;
$custom-light: #885ca9;
$custom-dark: #000000;

JSON

{
  "hex": "#511785",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 133
  },
  "hsl": {
    "h": 271.636,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.36497,
    "c": 0.16755,
    "h": 302.3
  },
  "luminance": 0.04056
}

Semantic roles & 50–950 ramp

primary

#511785

secondary

#79B93F

accent

#ED3B8F

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0410

muted

#7D797F

Preview Lab

Preview with #511785

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

Preview Lab → · Contrast checker → · Palette generator →