#6660F9#6660F9

#6660F9 is a mid, highly saturated blue. Relative luminance 0.180; OKLCH L 58.4% C 0.221 H 278.8°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX#6660F9
RGBrgb(102, 96, 249)
HSLhsl(242, 93%, 68%)
HSVhsv(242, 61%, 98%)
CMYKcmyk(59%, 61.4%, 0%, 2.4%)
CIE-LABlab(49.53, 45.23, -75.87)
CIE-LCHlch(49.53, 88.33, 300.80°)
OKLaboklab(58.36% 0.0338 -0.2183)
OKLCHoklch(58.36% 0.221 278.8)
XYZxyz(26.7558, 18.0281, 91.6740)
Luminance0.1803 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6660F9 #F3F960
analogous
#60A6F9 #6660F9 #B260F9
triadic
#6660F9 #F96660 #60F966
tetradic
#6660F9 #F960A6 #F3F960 #60F9B2
square
#6660F9 #F960A6 #F3F960 #60F9B2
split-complementary
#6660F9 #F9B260 #A6F960
monochromatic
#1008D7 #2D25F7 #6660F9 #9F9BFB #D7D6FD

Accessibility & contrast

On white

4.56
#6660F9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.61
#6660F9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6660F9
4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6660F9#FFFFFF#000000##000000
##6660F91.004.564.614.61
#FFFFFF4.561.0021.0021.00
#0000004.6121.001.001.00
##0000004.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#007CFE
Deuteranopia (green-blind)
#0070F6
Tritanopia (blue-blind)
#0086A4
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #6660f9;
/* rgb */ color: rgb(102, 96, 249);
/* oklch */ color: oklch(58.4% 0.221 278.8);
Tailwind
colors: {
  custom: {
    50: '#9f8efc',
    500: '#6660f9',
    950: '#000000',
  },
}
SCSS
$custom: #6660f9;
$custom-light: #9f8efc;
$custom-dark: #000000;
JSON
{
  "hex": "#6660f9",
  "rgb": {
    "r": 102,
    "g": 96,
    "b": 249
  },
  "hsl": {
    "h": 242.353,
    "s": 92.727,
    "l": 67.647
  },
  "oklch": {
    "l": 0.58356,
    "c": 0.22087,
    "h": 278.8
  },
  "luminance": 0.1803
}

Semantic roles & 50–950 ramp

primary
#6660F9
secondary
#F0F2C3
accent
#E600DC
background
#FAF8FF
surface
#F4F0FF
border
#CECBD7
text
#100C18
muted
#7F7D86

Preview Lab

Preview with #6660F9

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

Preview Lab → · Contrast checker → · Palette generator →

#6660F9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva