#663FE1#663FE1

#663FE1 is a mid, highly saturated violet. Relative luminance 0.118; OKLCH L 51.5% C 0.229 H 286.3°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#663FE1
RGB	rgb(102, 63, 225)
HSL	hsl(254, 73%, 56%)
HSV	hsv(254, 72%, 88%)
CMYK	cmyk(54.7%, 72%, 0%, 11.8%)
CIE-LAB	lab(40.92, 56.17, -76.43)
CIE-LCH	lch(40.92, 94.85, 306.31°)
OKLab	oklab(51.55% 0.0642 -0.2199)
OKLCH	oklch(51.55% 0.229 286.3)
XYZ	xyz(20.8435, 11.8149, 72.4018)
Luminance	0.1182 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663FE1 #BAE13F

analogous

#3F69E1 #663FE1 #B73FE1

triadic

#663FE1 #E1663F #3FE166

tetradic

#663FE1 #E13F69 #BAE13F #3FE1B7

square

#663FE1 #E13F69 #BAE13F #3FE1B7

split-complementary

#663FE1 #E1B73F #69E13F

monochromatic

#33168F #461FC4 #663FE1 #9074E9 #BAA9F2

Accessibility & contrast

On white

6.24

#663FE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#663FE1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663FE1

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663FE1	#FFFFFF	#000000	##FFFFFF
##663FE1	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065E6

Deuteranopia (green-blind)

#005CDE

Tritanopia (blue-blind)

#2F6B8C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #663fe1;
/* rgb */ color: rgb(102, 63, 225);
/* oklch */ color: oklch(51.5% 0.229 286.3);

Tailwind

colors: {
  custom: {
    50: '#9e78ec',
    500: '#663fe1',
    950: '#000000',
  },
}

SCSS

$custom: #663fe1;
$custom-light: #9e78ec;
$custom-dark: #000000;

JSON

{
  "hex": "#663fe1",
  "rgb": {
    "r": 102,
    "g": 63,
    "b": 225
  },
  "hsl": {
    "h": 254.444,
    "s": 72.973,
    "l": 56.471
  },
  "oklch": {
    "l": 0.51549,
    "c": 0.22907,
    "h": 286.3
  },
  "luminance": 0.11816
}

Semantic roles & 50–950 ramp

primary

#663FE1

secondary

#CFDF9D

accent

#F038C3

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #663FE1

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

Preview Lab → · Contrast checker → · Palette generator →