#511380#511380

#511380 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.7% C 0.166 H 304.5°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#511380
RGB	rgb(81, 19, 128)
HSL	hsl(274, 74%, 29%)
HSV	hsv(274, 85%, 50%)
CMYK	cmyk(36.7%, 85.2%, 0%, 49.8%)
CIE-LAB	lab(22.91, 46.96, -48.01)
CIE-LCH	lch(22.91, 67.16, 314.36°)
OKLab	oklab(35.7% 0.094 -0.1369)
OKLCH	oklch(35.7% 0.166 304.5)
XYZ	xyz(7.5216, 3.7736, 20.7500)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.43

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511380 #428013

analogous

#1A1380 #511380 #801379

triadic

#511380 #805113 #138051

tetradic

#511380 #801A13 #428013 #137980

square

#511380 #801A13 #428013 #137980

split-complementary

#511380 #798013 #13801A

monochromatic

#11041B #2F0B4B #511380 #731BB5 #932DE0

Accessibility & contrast

On white

11.97

#511380 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#511380 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511380

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511380	#FFFFFF	#000000	##FFFFFF
##511380	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003583

Deuteranopia (green-blind)

#00377E

Tritanopia (blue-blind)

#48324B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511380;
/* rgb */ color: rgb(81, 19, 128);
/* oklch */ color: oklch(35.7% 0.166 304.5);

Tailwind

colors: {
  custom: {
    50: '#875aa6',
    500: '#511380',
    950: '#000000',
  },
}

SCSS

$custom: #511380;
$custom-light: #875aa6;
$custom-dark: #000000;

JSON

{
  "hex": "#511380",
  "rgb": {
    "r": 81,
    "g": 19,
    "b": 128
  },
  "hsl": {
    "h": 274.128,
    "s": 74.15,
    "l": 28.824
  },
  "oklch": {
    "l": 0.35701,
    "c": 0.16613,
    "h": 304.5
  },
  "luminance": 0.03774
}

Semantic roles & 50–950 ramp

primary

#511380

secondary

#6FB539

accent

#F13787

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #511380

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

Preview Lab → · Contrast checker → · Palette generator →