#663EE0#663EE0

#663EE0 is a mid, highly saturated violet. Relative luminance 0.117; OKLCH L 51.3% C 0.229 H 286.5°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#663EE0
RGB	rgb(102, 62, 224)
HSL	hsl(255, 72%, 56%)
HSV	hsv(255, 72%, 88%)
CMYK	cmyk(54.5%, 72.3%, 0%, 12.2%)
CIE-LAB	lab(40.66, 56.39, -76.29)
CIE-LCH	lch(40.66, 94.87, 306.47°)
OKLab	oklab(51.33% 0.0652 -0.2195)
OKLCH	oklch(51.33% 0.229 286.5)
XYZ	xyz(20.6526, 11.6507, 71.6671)
Luminance	0.1165 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663EE0 #B8E03E

analogous

#3E67E0 #663EE0 #B73EE0

triadic

#663EE0 #E0663E #3EE066

tetradic

#663EE0 #E03E67 #B8E03E #3EE0B7

square

#663EE0 #E03E67 #B8E03E #3EE0B7

split-complementary

#663EE0 #E0B73E #67E03E

monochromatic

#34178D #471FC2 #663EE0 #9073E8 #BAA7F1

Accessibility & contrast

On white

6.31

#663EE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#663EE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663EE0

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663EE0	#FFFFFF	#000000	##FFFFFF
##663EE0	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E5

Deuteranopia (green-blind)

#005BDD

Tritanopia (blue-blind)

#306A8C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #663ee0;
/* rgb */ color: rgb(102, 62, 224);
/* oklch */ color: oklch(51.3% 0.229 286.5);

Tailwind

colors: {
  custom: {
    50: '#9d77eb',
    500: '#663ee0',
    950: '#000000',
  },
}

SCSS

$custom: #663ee0;
$custom-light: #9d77eb;
$custom-dark: #000000;

JSON

{
  "hex": "#663ee0",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 224
  },
  "hsl": {
    "h": 254.815,
    "s": 72.321,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51335,
    "c": 0.22896,
    "h": 286.5
  },
  "luminance": 0.11652
}

Semantic roles & 50–950 ramp

primary

#663EE0

secondary

#CEDE9B

accent

#EF39C2

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #663EE0

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

Preview Lab → · Contrast checker → · Palette generator →