#663EE1#663EE1

#663EE1 is a mid, highly saturated violet. Relative luminance 0.117; OKLCH L 51.4% C 0.230 H 286.4°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#663EE1
RGB	rgb(102, 62, 225)
HSL	hsl(255, 73%, 56%)
HSV	hsv(255, 72%, 88%)
CMYK	cmyk(54.7%, 72.4%, 0%, 11.8%)
CIE-LAB	lab(40.74, 56.67, -76.72)
CIE-LCH	lch(40.74, 95.38, 306.45°)
OKLab	oklab(51.42% 0.0649 -0.2207)
OKLCH	oklch(51.42% 0.23 286.4)
XYZ	xyz(20.7886, 11.7051, 72.3835)
Luminance	0.1171 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663EE1 #B9E13E

analogous

#3E68E1 #663EE1 #B83EE1

triadic

#663EE1 #E1663E #3EE166

tetradic

#663EE1 #E13E68 #B9E13E #3EE1B8

square

#663EE1 #E13E68 #B9E13E #3EE1B8

split-complementary

#663EE1 #E1B83E #68E13E

monochromatic

#34168E #471EC3 #663EE1 #9073E9 #BAA8F1

Accessibility & contrast

On white

6.29

#663EE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#663EE1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663EE1

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663EE1	#FFFFFF	#000000	##FFFFFF
##663EE1	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E6

Deuteranopia (green-blind)

#005BDE

Tritanopia (blue-blind)

#2F6A8C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #663ee1;
/* rgb */ color: rgb(102, 62, 225);
/* oklch */ color: oklch(51.4% 0.230 286.4);

Tailwind

colors: {
  custom: {
    50: '#9e77ec',
    500: '#663ee1',
    950: '#000000',
  },
}

SCSS

$custom: #663ee1;
$custom-light: #9e77ec;
$custom-dark: #000000;

JSON

{
  "hex": "#663ee1",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 225
  },
  "hsl": {
    "h": 254.724,
    "s": 73.094,
    "l": 56.275
  },
  "oklch": {
    "l": 0.51424,
    "c": 0.2301,
    "h": 286.4
  },
  "luminance": 0.11706
}

Semantic roles & 50–950 ramp

primary

#663EE1

secondary

#CEDF9C

accent

#F038C3

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #663EE1

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

Preview Lab → · Contrast checker → · Palette generator →