#664CD8#664CD8

#664CD8 is a mid, highly saturated violet. Relative luminance 0.130; OKLCH L 52.6% C 0.204 H 285.5°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#664CD8
RGB	rgb(102, 76, 216)
HSL	hsl(251, 64%, 57%)
HSV	hsv(251, 65%, 85%)
CMYK	cmyk(52.8%, 64.8%, 0%, 15.3%)
CIE-LAB	lab(42.69, 46.67, -68.39)
CIE-LCH	lch(42.69, 82.80, 304.31°)
OKLab	oklab(52.58% 0.0546 -0.1964)
OKLCH	oklch(52.58% 0.204 285.5)
XYZ	xyz(20.4549, 12.9504, 66.3743)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664CD8 #BED84C

analogous

#4C78D8 #664CD8 #AC4CD8

triadic

#664CD8 #D8664C #4CD866

tetradic

#664CD8 #D84C78 #BED84C #4CD8AC

square

#664CD8 #D84C78 #BED84C #4CD8AC

split-complementary

#664CD8 #D8AC4C #78D84C

monochromatic

#331E8B #4529BE #664CD8 #917EE3 #BCB1EE

Accessibility & contrast

On white

5.85

#664CD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#664CD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664CD8

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664CD8	#FFFFFF	#000000	##FFFFFF
##664CD8	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DC

Deuteranopia (green-blind)

#0061D5

Tritanopia (blue-blind)

#376F8B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #664cd8;
/* rgb */ color: rgb(102, 76, 216);
/* oklch */ color: oklch(52.6% 0.204 285.5);

Tailwind

colors: {
  custom: {
    50: '#9b80e5',
    500: '#664cd8',
    950: '#000000',
  },
}

SCSS

$custom: #664cd8;
$custom-light: #9b80e5;
$custom-dark: #000000;

JSON

{
  "hex": "#664cd8",
  "rgb": {
    "r": 102,
    "g": 76,
    "b": 216
  },
  "hsl": {
    "h": 251.143,
    "s": 64.22,
    "l": 57.255
  },
  "oklch": {
    "l": 0.52584,
    "c": 0.2038,
    "h": 285.5
  },
  "luminance": 0.12952
}

Semantic roles & 50–950 ramp

primary

#664CD8

secondary

#D2DCA4

accent

#E741C8

background

#FAF7FE

surface

#F4EEFC

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #664CD8

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

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