#663DE1#663DE1

#663DE1 is a mid, highly saturated violet. Relative luminance 0.116; OKLCH L 51.3% C 0.231 H 286.5°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#663DE1
RGB	rgb(102, 61, 225)
HSL	hsl(255, 73%, 56%)
HSV	hsv(255, 73%, 88%)
CMYK	cmyk(54.7%, 72.9%, 0%, 11.8%)
CIE-LAB	lab(40.57, 57.16, -77.00)
CIE-LCH	lch(40.57, 95.90, 306.59°)
OKLab	oklab(51.3% 0.0657 -0.2216)
OKLCH	oklch(51.3% 0.231 286.5)
XYZ	xyz(20.7348, 11.5974, 72.3655)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663DE1 #B8E13D

analogous

#3D66E1 #663DE1 #B83DE1

triadic

#663DE1 #E1663D #3DE166

tetradic

#663DE1 #E13D66 #B8E13D #3DE1B8

square

#663DE1 #E13D66 #B8E13D #3DE1B8

split-complementary

#663DE1 #E1B83D #66E13D

monochromatic

#34168E #471EC3 #663DE1 #9072E9 #BAA7F1

Accessibility & contrast

On white

6.33

#663DE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#663DE1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663DE1

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DE1	#FFFFFF	#000000	##FFFFFF
##663DE1	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	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: #663de1;
/* rgb */ color: rgb(102, 61, 225);
/* oklch */ color: oklch(51.3% 0.231 286.5);

Tailwind

colors: {
  custom: {
    50: '#9e77ec',
    500: '#663de1',
    950: '#000000',
  },
}

SCSS

$custom: #663de1;
$custom-light: #9e77ec;
$custom-dark: #000000;

JSON

{
  "hex": "#663de1",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 225
  },
  "hsl": {
    "h": 255,
    "s": 73.214,
    "l": 56.078
  },
  "oklch": {
    "l": 0.513,
    "c": 0.23112,
    "h": 286.5
  },
  "luminance": 0.11599
}

Semantic roles & 50–950 ramp

primary

#663DE1

secondary

#CEDF9B

accent

#F038C2

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #663DE1

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

Preview Lab → · Contrast checker → · Palette generator →