#664CE7#664CE7

#664CE7 is a mid, highly saturated violet. Relative luminance 0.138; OKLCH L 53.8% C 0.222 H 283.7°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#664CE7
RGB	rgb(102, 76, 231)
HSL	hsl(250, 76%, 60%)
HSV	hsv(250, 67%, 91%)
CMYK	cmyk(55.8%, 67.1%, 0%, 9.4%)
CIE-LAB	lab(43.89, 51.08, -74.97)
CIE-LCH	lch(43.89, 90.72, 304.27°)
OKLab	oklab(53.82% 0.0526 -0.2157)
OKLCH	oklch(53.82% 0.222 283.7)
XYZ	xyz(22.4833, 13.7618, 77.0574)
Luminance	0.1376 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664CE7 #CDE74C

analogous

#4C7FE7 #664CE7 #B44CE7

triadic

#664CE7 #E7664C #4CE766

tetradic

#664CE7 #E74C7F #CDE74C #4CE7B4

square

#664CE7 #E74C7F #CDE74C #4CE7B4

split-complementary

#664CE7 #E7B44C #7FE74C

monochromatic

#2D16A3 #3D1DD9 #664CE7 #9482EE #C2B8F5

Accessibility & contrast

On white

5.60

#664CE7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#664CE7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664CE7

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664CE7	#FFFFFF	#000000	##FFFFFF
##664CE7	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CEC

Deuteranopia (green-blind)

#0063E4

Tritanopia (blue-blind)

#257493

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #664ce7;
/* rgb */ color: rgb(102, 76, 231);
/* oklch */ color: oklch(53.8% 0.222 283.7);

Tailwind

colors: {
  custom: {
    50: '#9e80f0',
    500: '#664ce7',
    950: '#000000',
  },
}

SCSS

$custom: #664ce7;
$custom-light: #9e80f0;
$custom-dark: #000000;

JSON

{
  "hex": "#664ce7",
  "rgb": {
    "r": 102,
    "g": 76,
    "b": 231
  },
  "hsl": {
    "h": 250.065,
    "s": 76.355,
    "l": 60.196
  },
  "oklch": {
    "l": 0.53823,
    "c": 0.222,
    "h": 283.7
  },
  "luminance": 0.13763
}

Semantic roles & 50–950 ramp

primary

#664CE7

secondary

#DBE5AA

accent

#D90DB6

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #664CE7

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

Preview Lab → · Contrast checker → · Palette generator →