#664ED7#664ED7

#664ED7 is a mid, highly saturated violet. Relative luminance 0.132; OKLCH L 52.8% C 0.200 H 285.3°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#664ED7
RGB	rgb(102, 78, 215)
HSL	hsl(251, 63%, 57%)
HSV	hsv(251, 64%, 84%)
CMYK	cmyk(52.6%, 63.7%, 0%, 15.7%)
CIE-LAB	lab(43.03, 45.24, -67.26)
CIE-LCH	lch(43.03, 81.06, 303.92°)
OKLab	oklab(52.81% 0.0528 -0.193)
OKLCH	oklch(52.81% 0.2 285.3)
XYZ	xyz(20.4659, 13.1788, 65.7422)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664ED7 #BFD74E

analogous

#4E7AD7 #664ED7 #AB4ED7

triadic

#664ED7 #D7664E #4ED766

tetradic

#664ED7 #D74E7A #BFD74E #4ED7AB

square

#664ED7 #D74E7A #BFD74E #4ED7AB

split-complementary

#664ED7 #D7AB4E #7AD74E

monochromatic

#321F8B #442BBD #664ED7 #9180E2 #BCB2EE

Accessibility & contrast

On white

5.78

#664ED7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#664ED7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664ED7

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664ED7	#FFFFFF	#000000	##FFFFFF
##664ED7	1.00	5.78	3.64	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DB

Deuteranopia (green-blind)

#0061D4

Tritanopia (blue-blind)

#38708B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #664ed7;
/* rgb */ color: rgb(102, 78, 215);
/* oklch */ color: oklch(52.8% 0.200 285.3);

Tailwind

colors: {
  custom: {
    50: '#9b81e4',
    500: '#664ed7',
    950: '#000000',
  },
}

SCSS

$custom: #664ed7;
$custom-light: #9b81e4;
$custom-dark: #000000;

JSON

{
  "hex": "#664ed7",
  "rgb": {
    "r": 102,
    "g": 78,
    "b": 215
  },
  "hsl": {
    "h": 250.511,
    "s": 63.134,
    "l": 57.451
  },
  "oklch": {
    "l": 0.52809,
    "c": 0.20012,
    "h": 285.3
  },
  "luminance": 0.1318
}

Semantic roles & 50–950 ramp

primary

#664ED7

secondary

#D2DCA5

accent

#E642C9

background

#FAF7FE

surface

#F4EEFC

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #664ED7

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

Preview Lab → · Contrast checker → · Palette generator →