#663DE0#663DE0

#663DE0 is a mid, highly saturated violet. Relative luminance 0.115; OKLCH L 51.2% C 0.230 H 286.7°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#663DE0
RGB	rgb(102, 61, 224)
HSL	hsl(255, 72%, 56%)
HSV	hsv(255, 73%, 88%)
CMYK	cmyk(54.5%, 72.8%, 0%, 12.2%)
CIE-LAB	lab(40.48, 56.88, -76.58)
CIE-LCH	lch(40.48, 95.39, 306.61°)
OKLab	oklab(51.21% 0.0659 -0.2203)
OKLCH	oklch(51.21% 0.23 286.7)
XYZ	xyz(20.5988, 11.5430, 71.6492)
Luminance	0.1154 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663DE0 #B7E03D

analogous

#3D65E0 #663DE0 #B73DE0

triadic

#663DE0 #E0663D #3DE066

tetradic

#663DE0 #E03D65 #B7E03D #3DE0B7

square

#663DE0 #E03D65 #B7E03D #3DE0B7

split-complementary

#663DE0 #E0B73D #65E03D

monochromatic

#34168C #481FC1 #663DE0 #9072E8 #B9A7F1

Accessibility & contrast

On white

6.35

#663DE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#663DE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663DE0

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DE0	#FFFFFF	#000000	##FFFFFF
##663DE0	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E5

Deuteranopia (green-blind)

#005BDD

Tritanopia (blue-blind)

#306A8B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #663de0;
/* rgb */ color: rgb(102, 61, 224);
/* oklch */ color: oklch(51.2% 0.230 286.7);

Tailwind

colors: {
  custom: {
    50: '#9e77eb',
    500: '#663de0',
    950: '#000000',
  },
}

SCSS

$custom: #663de0;
$custom-light: #9e77eb;
$custom-dark: #000000;

JSON

{
  "hex": "#663de0",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 224
  },
  "hsl": {
    "h": 255.092,
    "s": 72.444,
    "l": 55.882
  },
  "oklch": {
    "l": 0.51211,
    "c": 0.22998,
    "h": 286.7
  },
  "luminance": 0.11544
}

Semantic roles & 50–950 ramp

primary

#663DE0

secondary

#CDDE9B

accent

#EF39C1

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #663DE0

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

Preview Lab → · Contrast checker → · Palette generator →