#663DFF#663DFF

#663DFF is a mid, highly saturated violet. Relative luminance 0.134; OKLCH L 54.1% C 0.264 H 282.7°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#663DFF
RGB	rgb(102, 61, 255)
HSL	hsl(253, 100%, 62%)
HSV	hsv(253, 76%, 100%)
CMYK	cmyk(60%, 76.1%, 0%, 0%)
CIE-LAB	lab(43.33, 65.44, -89.38)
CIE-LCH	lch(43.33, 110.78, 306.21°)
OKLab	oklab(54.07% 0.0583 -0.2577)
OKLCH	oklch(54.07% 0.264 282.7)
XYZ	xyz(25.1926, 13.3805, 95.8435)
Luminance	0.1338 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663DFF #D6FF3D

analogous

#3D75FF #663DFF #C73DFF

triadic

#663DFF #FF663D #3DFF66

tetradic

#663DFF #FF3D75 #D6FF3D #3DFFC7

square

#663DFF #FF3D75 #D6FF3D #3DFFC7

split-complementary

#663DFF #FFC73D #75FF3D

monochromatic

#2900C2 #3600FF #663DFF #967AFF #C7B7FF

Accessibility & contrast

On white

5.71

#663DFF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#663DFF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663DFF

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DFF	#FFFFFF	#000000	##FFFFFF
##663DFF	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CFF

Deuteranopia (green-blind)

#0060FC

Tritanopia (blue-blind)

#00769D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #663dff;
/* rgb */ color: rgb(102, 61, 255);
/* oklch */ color: oklch(54.1% 0.264 282.7);

Tailwind

colors: {
  custom: {
    50: '#a278ff',
    500: '#663dff',
    950: '#000000',
  },
}

SCSS

$custom: #663dff;
$custom-light: #a278ff;
$custom-dark: #000000;

JSON

{
  "hex": "#663dff",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 255
  },
  "hsl": {
    "h": 252.68,
    "s": 100,
    "l": 61.961
  },
  "oklch": {
    "l": 0.54073,
    "c": 0.26425,
    "h": 282.7
  },
  "luminance": 0.13382
}

Semantic roles & 50–950 ramp

primary

#663DFF

secondary

#E1F0A8

accent

#E600B5

background

#FBF7FF

surface

#F6EEFF

border

#D0C9D7

text

#110918

muted

#807B86

Preview Lab

Preview with #663DFF

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

Preview Lab → · Contrast checker → · Palette generator →