#511786#511786

#511786 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.6% C 0.169 H 301.9°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#511786
RGB	rgb(81, 23, 134)
HSL	hsl(271, 71%, 31%)
HSV	hsv(271, 83%, 53%)
CMYK	cmyk(39.6%, 82.8%, 0%, 47.5%)
CIE-LAB	lab(23.94, 46.96, -50.10)
CIE-LCH	lch(23.94, 68.67, 313.15°)
OKLab	oklab(36.59% 0.0891 -0.1431)
OKLCH	oklch(36.59% 0.169 301.9)
XYZ	xyz(8.0018, 4.0833, 22.9162)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.84

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511786 #4C8617

analogous

#191786 #511786 #861783

triadic

#511786 #865117 #178651

tetradic

#511786 #861917 #4C8617 #178386

square

#511786 #861917 #4C8617 #178386

split-complementary

#511786 #838617 #178619

monochromatic

#12051E #310E52 #511786 #7120BA #8F3ADD

Accessibility & contrast

On white

11.56

#511786 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#511786 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511786

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511786	#FFFFFF	#000000	##FFFFFF
##511786	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003889

Deuteranopia (green-blind)

#003884

Tritanopia (blue-blind)

#45364F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511786;
/* rgb */ color: rgb(81, 23, 134);
/* oklch */ color: oklch(36.6% 0.169 301.9);

Tailwind

colors: {
  custom: {
    50: '#885caa',
    500: '#511786',
    950: '#000000',
  },
}

SCSS

$custom: #511786;
$custom-light: #885caa;
$custom-dark: #000000;

JSON

{
  "hex": "#511786",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 134
  },
  "hsl": {
    "h": 271.351,
    "s": 70.701,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36588,
    "c": 0.16858,
    "h": 301.9
  },
  "luminance": 0.04083
}

Semantic roles & 50–950 ramp

primary

#511786

secondary

#7ABA3F

accent

#ED3A90

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0410

muted

#7D797F

Preview Lab

Preview with #511786

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

Preview Lab → · Contrast checker → · Palette generator →