#664DBF#664DBF

#664DBF is a mid, vivid violet. Relative luminance 0.119; OKLCH L 50.8% C 0.171 H 288.9°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX#664DBF
RGBrgb(102, 77, 191)
HSLhsl(253, 47%, 53%)
HSVhsv(253, 60%, 75%)
CMYKcmyk(46.6%, 59.7%, 0%, 25.1%)
CIE-LABlab(41.05, 38.75, -56.61)
CIE-LCHlch(41.05, 68.60, 304.39°)
OKLaboklab(50.81% 0.0555 -0.1617)
OKLCHoklch(50.81% 0.171 288.9)
XYZxyz(17.5347, 11.8934, 50.6519)
Luminance0.1189 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#664DBF #A6BF4D
analogous
#4D6DBF #664DBF #9F4DBF
triadic
#664DBF #BF664D #4DBF66
tetradic
#664DBF #BF4D6D #A6BF4D #4DBF9F
square
#664DBF #BF4D6D #A6BF4D #4DBF9F
split-complementary
#664DBF #BF9F4D #6DBF4D
monochromatic
#36276B #4C3798 #664DBF #8D7ACF #B3A7DF

Accessibility & contrast

On white

6.22
#664DBF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.38
#664DBF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664DBF
6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##664DBF#FFFFFF#000000##FFFFFF
##664DBF1.006.223.386.22
#FFFFFF6.221.0021.001.00
#0000003.3821.001.0021.00
##FFFFFF6.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0063C3
Deuteranopia (green-blind)
#005EBD
Tritanopia (blue-blind)
#4A677E
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #664dbf;
/* rgb */ color: rgb(102, 77, 191);
/* oklch */ color: oklch(50.8% 0.171 288.9);
Tailwind
colors: {
  custom: {
    50: '#9880d3',
    500: '#664dbf',
    950: '#000000',
  },
}
SCSS
$custom: #664dbf;
$custom-light: #9880d3;
$custom-dark: #000000;
JSON
{
  "hex": "#664dbf",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 191
  },
  "hsl": {
    "h": 253.158,
    "s": 47.107,
    "l": 52.549
  },
  "oklch": {
    "l": 0.50805,
    "c": 0.17096,
    "h": 288.9
  },
  "luminance": 0.11894
}

Semantic roles & 50–950 ramp

primary
#664DBF
secondary
#C2CD9B
accent
#D751B9
background
#F9F7FD
surface
#F2EEFA
border
#CCC9D3
text
#0E0A14
muted
#7E7C83

Preview Lab

Preview with #664DBF

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

Preview Lab → · Contrast checker → · Palette generator →

#664DBF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva