#663EAE#663EAE

#663EAE is a mid, vivid violet. Relative luminance 0.093; OKLCH L 47.2% C 0.170 H 295.6°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#663EAE
RGB	rgb(102, 62, 174)
HSL	hsl(261, 47%, 46%)
HSV	hsv(261, 64%, 68%)
CMYK	cmyk(41.4%, 64.4%, 0%, 31.8%)
CIE-LAB	lab(36.60, 42.50, -53.79)
CIE-LCH	lch(36.60, 68.55, 308.31°)
OKLab	oklab(47.18% 0.0734 -0.1534)
OKLCH	oklch(47.18% 0.17 295.6)
XYZ	xyz(14.8401, 9.3257, 41.0544)
Luminance	0.0933 (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

#663EAE #86AE3E

analogous

#3E4EAE #663EAE #9E3EAE

triadic

#663EAE #AE663E #3EAE66

tetradic

#663EAE #AE3E4E #86AE3E #3EAE9E

square

#663EAE #AE3E4E #86AE3E #3EAE9E

split-complementary

#663EAE #AE9E3E #4EAE3E

monochromatic

#311E54 #4C2E81 #663EAE #8662C7 #A98FD7

Accessibility & contrast

On white

7.33

#663EAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#663EAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663EAE

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663EAE	#FFFFFF	#000000	##FFFFFF
##663EAE	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B2

Deuteranopia (green-blind)

#0054AC

Tritanopia (blue-blind)

#535870

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #663eae;
/* rgb */ color: rgb(102, 62, 174);
/* oklch */ color: oklch(47.2% 0.170 295.6);

Tailwind

colors: {
  custom: {
    50: '#9775c7',
    500: '#663eae',
    950: '#000000',
  },
}

SCSS

$custom: #663eae;
$custom-light: #9775c7;
$custom-dark: #000000;

JSON

{
  "hex": "#663eae",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 174
  },
  "hsl": {
    "h": 261.429,
    "s": 47.458,
    "l": 46.275
  },
  "oklch": {
    "l": 0.47182,
    "c": 0.1701,
    "h": 295.6
  },
  "luminance": 0.09326
}

Semantic roles & 50–950 ramp

primary

#663EAE

secondary

#ADC286

accent

#D751A7

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663EAE

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

Preview Lab → · Contrast checker → · Palette generator →