#663BE7#663BE7

#663BE7 is a mid, highly saturated violet. Relative luminance 0.117; OKLCH L 51.6% C 0.240 H 285.9°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#663BE7
RGB	rgb(102, 59, 231)
HSL	hsl(255, 78%, 57%)
HSV	hsv(255, 74%, 91%)
CMYK	cmyk(55.8%, 74.5%, 0%, 9.4%)
CIE-LAB	lab(40.77, 59.78, -80.09)
CIE-LCH	lch(40.77, 99.94, 306.74°)
OKLab	oklab(51.61% 0.0657 -0.2306)
OKLCH	oklch(51.61% 0.24 285.9)
XYZ	xyz(21.4629, 11.7210, 76.7172)
Luminance	0.1172 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663BE7 #BCE73B

analogous

#3B66E7 #663BE7 #BC3BE7

triadic

#663BE7 #E7663B #3BE766

tetradic

#663BE7 #E73B66 #BCE73B #3BE7BC

square

#663BE7 #E73B66 #BCE73B #3BE7BC

split-complementary

#663BE7 #E7BC3B #66E73B

monochromatic

#331295 #4619CC #663BE7 #9172EE #BBA8F4

Accessibility & contrast

On white

6.28

#663BE7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#663BE7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663BE7

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663BE7	#FFFFFF	#000000	##FFFFFF
##663BE7	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065EC

Deuteranopia (green-blind)

#005BE4

Tritanopia (blue-blind)

#276B8F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #663be7;
/* rgb */ color: rgb(102, 59, 231);
/* oklch */ color: oklch(51.6% 0.240 285.9);

Tailwind

colors: {
  custom: {
    50: '#9f76f0',
    500: '#663be7',
    950: '#000000',
  },
}

SCSS

$custom: #663be7;
$custom-light: #9f76f0;
$custom-dark: #000000;

JSON

{
  "hex": "#663be7",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 231
  },
  "hsl": {
    "h": 255,
    "s": 78.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.51605,
    "c": 0.23977,
    "h": 285.9
  },
  "luminance": 0.11722
}

Semantic roles & 50–950 ramp

primary

#663BE7

secondary

#D0E29C

accent

#F533C4

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100917

muted

#7F7B85

Preview Lab

Preview with #663BE7

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

Preview Lab → · Contrast checker → · Palette generator →