#511180#511180

#511180 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.5% C 0.168 H 304.7°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#511180
RGB	rgb(81, 17, 128)
HSL	hsl(275, 77%, 28%)
HSV	hsv(275, 87%, 50%)
CMYK	cmyk(36.7%, 86.7%, 0%, 49.8%)
CIE-LAB	lab(22.68, 47.61, -48.38)
CIE-LCH	lch(22.68, 67.88, 314.54°)
OKLab	oklab(35.55% 0.0954 -0.138)
OKLCH	oklch(35.55% 0.168 304.7)
XYZ	xyz(7.4892, 3.7088, 20.7392)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.21

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511180 #408011

analogous

#1A1180 #511180 #801177

triadic

#511180 #805111 #118051

tetradic

#511180 #801A11 #408011 #117780

square

#511180 #801A11 #408011 #117780

split-complementary

#511180 #778011 #11801A

monochromatic

#11041B #2F0A4A #511180 #7318B6 #9429E3

Accessibility & contrast

On white

12.06

#511180 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#511180 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511180

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511180	#FFFFFF	#000000	##FFFFFF
##511180	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003583

Deuteranopia (green-blind)

#00367E

Tritanopia (blue-blind)

#48314B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511180;
/* rgb */ color: rgb(81, 17, 128);
/* oklch */ color: oklch(35.5% 0.168 304.7);

Tailwind

colors: {
  custom: {
    50: '#875aa6',
    500: '#511180',
    950: '#000000',
  },
}

SCSS

$custom: #511180;
$custom-light: #875aa6;
$custom-dark: #000000;

JSON

{
  "hex": "#511180",
  "rgb": {
    "r": 81,
    "g": 17,
    "b": 128
  },
  "hsl": {
    "h": 274.595,
    "s": 76.552,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35546,
    "c": 0.1678,
    "h": 304.7
  },
  "luminance": 0.03709
}

Semantic roles & 50–950 ramp

primary

#511180

secondary

#6DB637

accent

#F33585

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #511180

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

Preview Lab → · Contrast checker → · Palette generator →