#664BE3#664BE3

#664BE3 is a mid, highly saturated violet. Relative luminance 0.134; OKLCH L 53.3% C 0.218 H 284.3°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#664BE3
RGB	rgb(102, 75, 227)
HSL	hsl(251, 73%, 59%)
HSV	hsv(251, 67%, 89%)
CMYK	cmyk(55.1%, 67%, 0%, 11%)
CIE-LAB	lab(43.36, 50.45, -73.57)
CIE-LCH	lch(43.36, 89.21, 304.44°)
OKLab	oklab(53.34% 0.054 -0.2115)
OKLCH	oklch(53.34% 0.218 284.3)
XYZ	xyz(21.8565, 13.4017, 74.0932)
Luminance	0.1340 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664BE3 #C8E34B

analogous

#4B7CE3 #664BE3 #B24BE3

triadic

#664BE3 #E3664B #4BE366

tetradic

#664BE3 #E34B7C #C8E34B #4BE3B2

square

#664BE3 #E34B7C #C8E34B #4BE3B2

split-complementary

#664BE3 #E3B24B #7CE34B

monochromatic

#2F189B #4020D0 #664BE3 #9380EB #C0B5F3

Accessibility & contrast

On white

5.71

#664BE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#664BE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664BE3

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664BE3	#FFFFFF	#000000	##FFFFFF
##664BE3	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)

#006BE8

Deuteranopia (green-blind)

#0062E0

Tritanopia (blue-blind)

#2B7291

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #664be3;
/* rgb */ color: rgb(102, 75, 227);
/* oklch */ color: oklch(53.3% 0.218 284.3);

Tailwind

colors: {
  custom: {
    50: '#9d7fed',
    500: '#664be3',
    950: '#000000',
  },
}

SCSS

$custom: #664be3;
$custom-light: #9d7fed;
$custom-dark: #000000;

JSON

{
  "hex": "#664be3",
  "rgb": {
    "r": 102,
    "g": 75,
    "b": 227
  },
  "hsl": {
    "h": 250.658,
    "s": 73.077,
    "l": 59.216
  },
  "oklch": {
    "l": 0.53343,
    "c": 0.21834,
    "h": 284.3
  },
  "luminance": 0.13403
}

Semantic roles & 50–950 ramp

primary

#664BE3

secondary

#D8E3A7

accent

#F038CF

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#100A16

muted

#7F7C84

Preview Lab

Preview with #664BE3

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

Preview Lab → · Contrast checker → · Palette generator →