#663DAE#663DAE

#663DAE is a mid, vivid violet. Relative luminance 0.092; OKLCH L 47.0% C 0.171 H 295.8°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#663DAE
RGB	rgb(102, 61, 174)
HSL	hsl(262, 48%, 46%)
HSV	hsv(262, 65%, 68%)
CMYK	cmyk(41.4%, 64.9%, 0%, 31.8%)
CIE-LAB	lab(36.40, 43.05, -54.12)
CIE-LCH	lch(36.40, 69.15, 308.50°)
OKLab	oklab(47.04% 0.0746 -0.1544)
OKLCH	oklch(47.04% 0.171 295.8)
XYZ	xyz(14.7862, 9.2179, 41.0364)
Luminance	0.0922 (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

#663DAE #85AE3D

analogous

#3D4CAE #663DAE #9E3DAE

triadic

#663DAE #AE663D #3DAE66

tetradic

#663DAE #AE3D4C #85AE3D #3DAE9E

square

#663DAE #AE3D4C #85AE3D #3DAE9E

split-complementary

#663DAE #AE9E3D #4CAE3D

monochromatic

#311D53 #4B2D81 #663DAE #8661C8 #A98ED7

Accessibility & contrast

On white

7.39

#663DAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#663DAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663DAE

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DAE	#FFFFFF	#000000	##FFFFFF
##663DAE	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B2

Deuteranopia (green-blind)

#0054AC

Tritanopia (blue-blind)

#535770

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #663dae;
/* rgb */ color: rgb(102, 61, 174);
/* oklch */ color: oklch(47.0% 0.171 295.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#663dae",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 174
  },
  "hsl": {
    "h": 261.77,
    "s": 48.085,
    "l": 46.078
  },
  "oklch": {
    "l": 0.47035,
    "c": 0.17146,
    "h": 295.8
  },
  "luminance": 0.09218
}

Semantic roles & 50–950 ramp

primary

#663DAE

secondary

#ACC285

accent

#D850A6

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663DAE

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

Preview Lab → · Contrast checker → · Palette generator →