#663AE0#663AE0

#663AE0 is a mid, highly saturated violet. Relative luminance 0.112; OKLCH L 50.8% C 0.233 H 287.0°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#663AE0
RGB	rgb(102, 58, 224)
HSL	hsl(256, 73%, 55%)
HSV	hsv(256, 74%, 88%)
CMYK	cmyk(54.5%, 74.1%, 0%, 12.2%)
CIE-LAB	lab(39.97, 58.33, -77.42)
CIE-LCH	lch(39.97, 96.94, 307.00°)
OKLab	oklab(50.85% 0.0682 -0.2228)
OKLCH	oklch(50.85% 0.233 287)
XYZ	xyz(20.4431, 11.2316, 71.5973)
Luminance	0.1123 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663AE0 #B4E03A

analogous

#3A61E0 #663AE0 #B93AE0

triadic

#663AE0 #E0663A #3AE066

tetradic

#663AE0 #E03A61 #B4E03A #3AE0B9

square

#663AE0 #E03A61 #B4E03A #3AE0B9

split-complementary

#663AE0 #E0B93A #61E03A

monochromatic

#35168A #491EBF #663AE0 #8F6FE8 #B8A4F1

Accessibility & contrast

On white

6.47

#663AE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#663AE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663AE0

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AE0	#FFFFFF	#000000	##FFFFFF
##663AE0	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E5

Deuteranopia (green-blind)

#0059DD

Tritanopia (blue-blind)

#31688B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #663ae0;
/* rgb */ color: rgb(102, 58, 224);
/* oklch */ color: oklch(50.8% 0.233 287.0);

Tailwind

colors: {
  custom: {
    50: '#9e75eb',
    500: '#663ae0',
    950: '#000000',
  },
}

SCSS

$custom: #663ae0;
$custom-light: #9e75eb;
$custom-dark: #000000;

JSON

{
  "hex": "#663ae0",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 224
  },
  "hsl": {
    "h": 255.904,
    "s": 72.807,
    "l": 55.294
  },
  "oklch": {
    "l": 0.5085,
    "c": 0.23296,
    "h": 287
  },
  "luminance": 0.11233
}

Semantic roles & 50–950 ramp

primary

#663AE0

secondary

#CBDE98

accent

#EF38BF

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #663AE0

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

Preview Lab → · Contrast checker → · Palette generator →