#663DEE#663DEE

#663DEE is a mid, highly saturated violet. Relative luminance 0.123; OKLCH L 52.5% C 0.246 H 284.8°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#663DEE
RGB	rgb(102, 61, 238)
HSL	hsl(254, 84%, 59%)
HSV	hsv(254, 74%, 93%)
CMYK	cmyk(57.1%, 74.4%, 0%, 6.7%)
CIE-LAB	lab(41.74, 60.76, -82.45)
CIE-LCH	lch(41.74, 102.43, 306.39°)
OKLab	oklab(52.48% 0.0626 -0.2375)
OKLCH	oklch(52.48% 0.246 284.8)
XYZ	xyz(22.5761, 12.3339, 82.0634)
Luminance	0.1234 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663DEE #C5EE3D

analogous

#3D6CEE #663DEE #BE3DEE

triadic

#663DEE #EE663D #3DEE66

tetradic

#663DEE #EE3D6C #C5EE3D #3DEEBE

square

#663DEE #EE3D6C #C5EE3D #3DEEBE

split-complementary

#663DEE #EEBE3D #6CEE3D

monochromatic

#310EA2 #4113DB #663DEE #9275F3 #BFAEF8

Accessibility & contrast

On white

6.06

#663DEE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#663DEE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663DEE

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DEE	#FFFFFF	#000000	##FFFFFF
##663DEE	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067F3

Deuteranopia (green-blind)

#005DEB

Tritanopia (blue-blind)

#1A6F93

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #663dee;
/* rgb */ color: rgb(102, 61, 238);
/* oklch */ color: oklch(52.5% 0.246 284.8);

Tailwind

colors: {
  custom: {
    50: '#a077f5',
    500: '#663dee',
    950: '#000000',
  },
}

SCSS

$custom: #663dee;
$custom-light: #a077f5;
$custom-dark: #000000;

JSON

{
  "hex": "#663dee",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 238
  },
  "hsl": {
    "h": 253.898,
    "s": 83.886,
    "l": 58.627
  },
  "oklch": {
    "l": 0.52482,
    "c": 0.24563,
    "h": 284.8
  },
  "luminance": 0.12335
}

Semantic roles & 50–950 ramp

primary

#663DEE

secondary

#D6E6A0

accent

#FA2ECB

background

#FAF7FF

surface

#F4EDFF

border

#CEC8D7

text

#100917

muted

#7F7B85

Preview Lab

Preview with #663DEE

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

Preview Lab → · Contrast checker → · Palette generator →