#511E9B#511E9B

#511E9B is a dark, vivid violet. Relative luminance 0.050; OKLCH L 39.2% C 0.184 H 294.7°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#511E9B
RGB	rgb(81, 30, 155)
HSL	hsl(264, 68%, 36%)
HSV	hsv(264, 81%, 61%)
CMYK	cmyk(47.7%, 80.6%, 0%, 39.2%)
CIE-LAB	lab(26.86, 49.50, -58.33)
CIE-LCH	lch(26.86, 76.50, 310.32°)
OKLab	oklab(39.21% 0.077 -0.1673)
OKLCH	oklch(39.21% 0.184 294.7)
XYZ	xyz(9.7724, 5.0442, 31.4627)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E9B #689B1E

analogous

#1E2A9B #511E9B #901E9B

triadic

#511E9B #9B511E #1E9B51

tetradic

#511E9B #9B1E2A #689B1E #1E9B90

square

#511E9B #9B1E2A #689B1E #1E9B90

split-complementary

#511E9B #9B901E #2A9B1E

monochromatic

#1B0A34 #361468 #511E9B #6C28CE #8D55DE

Accessibility & contrast

On white

10.45

#511E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#511E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E9B

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E9B	#FFFFFF	#000000	##FFFFFF
##511E9B	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419E

Deuteranopia (green-blind)

#003D99

Tritanopia (blue-blind)

#3B425D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #511e9b;
/* rgb */ color: rgb(81, 30, 155);
/* oklch */ color: oklch(39.2% 0.184 294.7);

Tailwind

colors: {
  custom: {
    50: '#8a61ba',
    500: '#511e9b',
    950: '#000000',
  },
}

SCSS

$custom: #511e9b;
$custom-light: #8a61ba;
$custom-dark: #000000;

JSON

{
  "hex": "#511e9b",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 155
  },
  "hsl": {
    "h": 264.48,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39211,
    "c": 0.18417,
    "h": 294.7
  },
  "luminance": 0.05044
}

Semantic roles & 50–950 ramp

primary

#511E9B

secondary

#95C253

accent

#EA3DA4

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0D0512

muted

#7D7981

Preview Lab

Preview with #511E9B

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

Preview Lab → · Contrast checker → · Palette generator →