#664FA2#664FA2

#664FA2 is a mid, vivid violet. Relative luminance 0.110; OKLCH L 49.1% C 0.129 H 293.9°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#664FA2
RGB	rgb(102, 79, 162)
HSL	hsl(257, 34%, 47%)
HSV	hsv(257, 51%, 64%)
CMYK	cmyk(37%, 51.2%, 0%, 36.5%)
CIE-LAB	lab(39.62, 29.21, -41.78)
CIE-LCH	lch(39.62, 50.98, 304.96°)
OKLab	oklab(49.15% 0.0523 -0.1181)
OKLCH	oklch(49.15% 0.129 293.9)
XYZ	xyz(14.7954, 11.0251, 35.5239)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664FA2 #8BA24F

analogous

#4F61A2 #664FA2 #904FA2

triadic

#664FA2 #A2664F #4FA266

tetradic

#664FA2 #A24F61 #8BA24F #4FA290

square

#664FA2 #A24F61 #8BA24F #4FA290

split-complementary

#664FA2 #A2904F #61A24F

monochromatic

#322750 #4C3B79 #664FA2 #8773BB #AA9CCF

Accessibility & contrast

On white

6.55

#664FA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#664FA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664FA2

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664FA2	#FFFFFF	#000000	##FFFFFF
##664FA2	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5EA5

Deuteranopia (green-blind)

#345CA0

Tritanopia (blue-blind)

#575F71

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #664fa2;
/* rgb */ color: rgb(102, 79, 162);
/* oklch */ color: oklch(49.1% 0.129 293.9);

Tailwind

colors: {
  custom: {
    50: '#9581be',
    500: '#664fa2',
    950: '#000000',
  },
}

SCSS

$custom: #664fa2;
$custom-light: #9581be;
$custom-dark: #000000;

JSON

{
  "hex": "#664fa2",
  "rgb": {
    "r": 102,
    "g": 79,
    "b": 162
  },
  "hsl": {
    "h": 256.627,
    "s": 34.44,
    "l": 47.255
  },
  "oklch": {
    "l": 0.49147,
    "c": 0.12922,
    "h": 293.9
  },
  "luminance": 0.11025
}

Semantic roles & 50–950 ramp

primary

#664FA2

secondary

#B0BC91

accent

#CB5DAC

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #664FA2

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

Preview Lab → · Contrast checker → · Palette generator →