#664F99#664F99

#664F99 is a mid, moderate violet. Relative luminance 0.107; OKLCH L 48.6% C 0.117 H 296.1°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#664F99
RGB	rgb(102, 79, 153)
HSL	hsl(259, 32%, 45%)
HSV	hsv(259, 48%, 60%)
CMYK	cmyk(33.3%, 48.4%, 0%, 40%)
CIE-LAB	lab(39.10, 26.71, -37.22)
CIE-LCH	lch(39.10, 45.82, 305.67°)
OKLab	oklab(48.59% 0.0514 -0.1048)
OKLCH	oklch(48.59% 0.117 296.1)
XYZ	xyz(14.0238, 10.7165, 31.4604)
Luminance	0.1072 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664F99 #82994F

analogous

#4F5D99 #664F99 #8B4F99

triadic

#664F99 #99664F #4F9966

tetradic

#664F99 #994F5D #82994F #4F998B

square

#664F99 #994F5D #82994F #4F998B

split-complementary

#664F99 #998B4F #5D994F

monochromatic

#302548 #4B3A71 #664F99 #8670B5 #A898CA

Accessibility & contrast

On white

6.68

#664F99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#664F99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664F99

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664F99	#FFFFFF	#000000	##FFFFFF
##664F99	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365D9C

Deuteranopia (green-blind)

#3B5B97

Tritanopia (blue-blind)

#5B5D6D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #664f99;
/* rgb */ color: rgb(102, 79, 153);
/* oklch */ color: oklch(48.6% 0.117 296.1);

Tailwind

colors: {
  custom: {
    50: '#9481b7',
    500: '#664f99',
    950: '#000000',
  },
}

SCSS

$custom: #664f99;
$custom-light: #9481b7;
$custom-dark: #000000;

JSON

{
  "hex": "#664f99",
  "rgb": {
    "r": 102,
    "g": 79,
    "b": 153
  },
  "hsl": {
    "h": 258.649,
    "s": 31.897,
    "l": 45.49
  },
  "oklch": {
    "l": 0.48585,
    "c": 0.11671,
    "h": 296.1
  },
  "luminance": 0.10717
}

Semantic roles & 50–950 ramp

primary

#664F99

secondary

#AAB78D

accent

#C860A8

background

#F9F7FB

surface

#F2EEF6

border

#CCC9D0

text

#0D0A11

muted

#7E7C80

Preview Lab

Preview with #664F99

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

Preview Lab → · Contrast checker → · Palette generator →