#6664F0#6664F0

#6664F0 is a mid, highly saturated blue. Relative luminance 0.182; OKLCH L 58.3% C 0.205 H 278.6°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX#6664F0
RGBrgb(102, 100, 240)
HSLhsl(241, 82%, 67%)
HSVhsv(241, 58%, 94%)
CMYKcmyk(57.5%, 58.3%, 0%, 5.9%)
CIE-LABlab(49.77, 40.07, -70.45)
CIE-LCHlch(49.77, 81.05, 299.63°)
OKLaboklab(58.33% 0.0306 -0.2023)
OKLCHoklch(58.33% 0.205 278.6)
XYZxyz(25.7598, 18.2286, 84.5822)
Luminance0.1823 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6664F0 #EEF064
analogous
#64A8F0 #6664F0 #AC64F0
triadic
#6664F0 #F06664 #64F066
tetradic
#6664F0 #F064A8 #EEF064 #64F0AC
square
#6664F0 #F064A8 #EEF064 #64F0AC
split-complementary
#6664F0 #F0AC64 #A8F064
monochromatic
#1613C6 #2F2CEB #6664F0 #9D9CF5 #D4D4FB

Accessibility & contrast

On white

4.52
#6664F0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.65
#6664F0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6664F0
4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6664F0#FFFFFF#000000##000000
##6664F01.004.524.654.65
#FFFFFF4.521.0021.0021.00
#0000004.6521.001.001.00
##0000004.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#007CF5
Deuteranopia (green-blind)
#0071ED
Tritanopia (blue-blind)
#0486A0
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #6664f0;
/* rgb */ color: rgb(102, 100, 240);
/* oklch */ color: oklch(58.3% 0.205 278.6);
Tailwind
colors: {
  custom: {
    50: '#9d90f6',
    500: '#6664f0',
    950: '#000000',
  },
}
SCSS
$custom: #6664f0;
$custom-light: #9d90f6;
$custom-dark: #000000;
JSON
{
  "hex": "#6664f0",
  "rgb": {
    "r": 102,
    "g": 100,
    "b": 240
  },
  "hsl": {
    "h": 240.857,
    "s": 82.353,
    "l": 66.667
  },
  "oklch": {
    "l": 0.58327,
    "c": 0.20462,
    "h": 278.6
  },
  "luminance": 0.1823
}

Semantic roles & 50–950 ramp

primary
#6664F0
secondary
#EEEEC1
accent
#DF07DC
background
#FAF8FF
surface
#F4F0FF
border
#CECBD7
text
#100C17
muted
#7F7D85

Preview Lab

Preview with #6664F0

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

Preview Lab → · Contrast checker → · Palette generator →

#6664F0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva