#663EC1#663EC1

#663EC1 is a mid, vivid violet. Relative luminance 0.101; OKLCH L 48.7% C 0.193 H 291.6°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#663EC1
RGB	rgb(102, 62, 193)
HSL	hsl(258, 51%, 50%)
HSV	hsv(258, 68%, 76%)
CMYK	cmyk(47.2%, 67.9%, 0%, 24.3%)
CIE-LAB	lab(38.06, 47.74, -62.64)
CIE-LCH	lch(38.06, 78.76, 307.32°)
OKLab	oklab(48.68% 0.0711 -0.1794)
OKLCH	oklch(48.68% 0.193 291.6)
XYZ	xyz(16.8251, 10.1197, 51.5085)
Luminance	0.1012 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.38

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663EC1 #99C13E

analogous

#3E57C1 #663EC1 #A83EC1

triadic

#663EC1 #C1663E #3EC166

tetradic

#663EC1 #C13E57 #99C13E #3EC1A8

square

#663EC1 #C13E57 #99C13E #3EC1A8

split-complementary

#663EC1 #C1A83E #57C13E

monochromatic

#352064 #4E2F93 #663EC1 #8B6CD0 #AF9BDF

Accessibility & contrast

On white

6.94

#663EC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#663EC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663EC1

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663EC1	#FFFFFF	#000000	##FFFFFF
##663EC1	1.00	6.94	3.02	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC5

Deuteranopia (green-blind)

#0057BE

Tritanopia (blue-blind)

#4A5E7A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #663ec1;
/* rgb */ color: rgb(102, 62, 193);
/* oklch */ color: oklch(48.7% 0.193 291.6);

Tailwind

colors: {
  custom: {
    50: '#9976d5',
    500: '#663ec1',
    950: '#000000',
  },
}

SCSS

$custom: #663ec1;
$custom-light: #9976d5;
$custom-dark: #000000;

JSON

{
  "hex": "#663ec1",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 193
  },
  "hsl": {
    "h": 258.321,
    "s": 51.373,
    "l": 50
  },
  "oklch": {
    "l": 0.48683,
    "c": 0.193,
    "h": 291.6
  },
  "luminance": 0.1012
}

Semantic roles & 50–950 ramp

primary

#663EC1

secondary

#B9CB90

accent

#DB4DB0

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0914

muted

#7E7B83

Preview Lab

Preview with #663EC1

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

Preview Lab → · Contrast checker → · Palette generator →