#663ECD#663ECD

#663ECD is a mid, highly saturated violet. Relative luminance 0.107; OKLCH L 49.7% C 0.207 H 289.5°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#663ECD
RGB	rgb(102, 62, 205)
HSL	hsl(257, 59%, 52%)
HSV	hsv(257, 70%, 80%)
CMYK	cmyk(50.2%, 69.8%, 0%, 19.6%)
CIE-LAB	lab(39.03, 51.09, -68.03)
CIE-LCH	lch(39.03, 85.08, 306.90°)
OKLab	oklab(49.68% 0.069 -0.1953)
OKLCH	oklch(49.68% 0.207 289.5)
XYZ	xyz(18.2184, 10.6770, 58.8467)
Luminance	0.1068 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663ECD #A5CD3E

analogous

#3E5ECD #663ECD #AD3ECD

triadic

#663ECD #CD663E #3ECD66

tetradic

#663ECD #CD3E5E #A5CD3E #3ECDAD

square

#663ECD #CD3E5E #A5CD3E #3ECDAD

split-complementary

#663ECD #CDAD3E #5ECD3E

monochromatic

#361E73 #4C2AA3 #663ECD #8D6FDA #B39FE6

Accessibility & contrast

On white

6.70

#663ECD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#663ECD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663ECD

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663ECD	#FFFFFF	#000000	##FFFFFF
##663ECD	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD1

Deuteranopia (green-blind)

#0058CA

Tritanopia (blue-blind)

#426381

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #663ecd;
/* rgb */ color: rgb(102, 62, 205);
/* oklch */ color: oklch(49.7% 0.207 289.5);

Tailwind

colors: {
  custom: {
    50: '#9b76dd',
    500: '#663ecd',
    950: '#000000',
  },
}

SCSS

$custom: #663ecd;
$custom-light: #9b76dd;
$custom-dark: #000000;

JSON

{
  "hex": "#663ecd",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 205
  },
  "hsl": {
    "h": 256.783,
    "s": 58.848,
    "l": 52.353
  },
  "oklch": {
    "l": 0.49683,
    "c": 0.20712,
    "h": 289.5
  },
  "luminance": 0.10678
}

Semantic roles & 50–950 ramp

primary

#663ECD

secondary

#C1D394

accent

#E246B6

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #663ECD

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

Preview Lab → · Contrast checker → · Palette generator →