#511EA0#511EA0

#511EA0 is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.7% C 0.190 H 293.4°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#511EA0
RGB	rgb(81, 30, 160)
HSL	hsl(264, 68%, 37%)
HSV	hsv(264, 81%, 63%)
CMYK	cmyk(49.4%, 81.3%, 0%, 37.3%)
CIE-LAB	lab(27.34, 50.80, -60.59)
CIE-LCH	lch(27.34, 79.07, 309.98°)
OKLab	oklab(39.69% 0.0753 -0.1739)
OKLCH	oklch(39.69% 0.19 293.4)
XYZ	xyz(10.2010, 5.2156, 33.7201)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511EA0 #6DA01E

analogous

#1E2CA0 #511EA0 #921EA0

triadic

#511EA0 #A0511E #1EA051

tetradic

#511EA0 #A01E2C #6DA01E #1EA092

square

#511EA0 #A01E2C #6DA01E #1EA092

split-complementary

#511EA0 #A0921E #2CA01E

monochromatic

#1D0B39 #37146C #511EA0 #6B28D4 #8E59E0

Accessibility & contrast

On white

10.28

#511EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#511EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511EA0

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511EA0	#FFFFFF	#000000	##FFFFFF
##511EA0	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A4

Deuteranopia (green-blind)

#003E9E

Tritanopia (blue-blind)

#384460

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #511ea0;
/* rgb */ color: rgb(81, 30, 160);
/* oklch */ color: oklch(39.7% 0.190 293.4);

Tailwind

colors: {
  custom: {
    50: '#8b61bd',
    500: '#511ea0',
    950: '#000000',
  },
}

SCSS

$custom: #511ea0;
$custom-light: #8b61bd;
$custom-dark: #000000;

JSON

{
  "hex": "#511ea0",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 160
  },
  "hsl": {
    "h": 263.538,
    "s": 68.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.3969,
    "c": 0.18956,
    "h": 293.4
  },
  "luminance": 0.05216
}

Semantic roles & 50–950 ramp

primary

#511EA0

secondary

#99C456

accent

#EB3DA7

background

#F9F6FB

surface

#F1EBF7

border

#CBC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #511EA0

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

Preview Lab → · Contrast checker → · Palette generator →