#6664F7#6664F7

#6664F7 is a mid, highly saturated blue. Relative luminance 0.187; OKLCH L 58.9% C 0.214 H 278.2°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX#6664F7
RGBrgb(102, 100, 247)
HSLhsl(241, 90%, 68%)
HSVhsv(241, 60%, 97%)
CMYKcmyk(58.7%, 59.5%, 0%, 3.1%)
CIE-LABlab(50.28, 42.27, -73.54)
CIE-LCHlch(50.28, 84.82, 299.89°)
OKLaboklab(58.86% 0.0304 -0.2114)
OKLCHoklch(58.86% 0.214 278.2)
XYZxyz(26.8198, 18.6526, 90.1647)
Luminance0.1865 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6664F7 #F5F764
analogous
#64ACF7 #6664F7 #AF64F7
triadic
#6664F7 #F76664 #64F766
tetradic
#6664F7 #F764AC #F5F764 #64F7AF
square
#6664F7 #F764AC #F5F764 #64F7AF
split-complementary
#6664F7 #F7AF64 #ACF764
monochromatic
#0E0BD6 #2D2AF4 #6664F7 #9F9EFA #D9D8FD

Accessibility & contrast

On white

4.44
#6664F7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.73
#6664F7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6664F7
4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6664F7#FFFFFF#000000##000000
##6664F71.004.444.734.73
#FFFFFF4.441.0021.0021.00
#0000004.7321.001.001.00
##0000004.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#007EFC
Deuteranopia (green-blind)
#0072F4
Tritanopia (blue-blind)
#0088A4
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #6664f7;
/* rgb */ color: rgb(102, 100, 247);
/* oklch */ color: oklch(58.9% 0.214 278.2);
Tailwind
colors: {
  custom: {
    50: '#9e90fb',
    500: '#6664f7',
    950: '#000000',
  },
}
SCSS
$custom: #6664f7;
$custom-light: #9e90fb;
$custom-dark: #000000;
JSON
{
  "hex": "#6664f7",
  "rgb": {
    "r": 102,
    "g": 100,
    "b": 247
  },
  "hsl": {
    "h": 240.816,
    "s": 90.184,
    "l": 68.039
  },
  "oklch": {
    "l": 0.58859,
    "c": 0.21357,
    "h": 278.2
  },
  "luminance": 0.18655
}

Semantic roles & 50–950 ramp

primary
#6664F7
secondary
#F1F2C5
accent
#E600E2
background
#FAF8FF
surface
#F4F0FF
border
#CECBD7
text
#100C17
muted
#7F7D85

Preview Lab

Preview with #6664F7

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

Preview Lab → · Contrast checker → · Palette generator →

#6664F7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva