#EF666C#EF666C

#EF666C is a light, vivid red. Relative luminance 0.289; OKLCH L 68.2% C 0.169 H 20.1°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX#EF666C
RGBrgb(239, 102, 108)
HSLhsl(357, 81%, 67%)
HSVhsv(357, 57%, 94%)
CMYKcmyk(0%, 57.3%, 54.8%, 6.3%)
CIE-LABlab(60.73, 53.28, 23.55)
CIE-LCHlch(60.73, 58.25, 23.84°)
OKLaboklab(68.2% 0.159 0.0582)
OKLCHoklch(68.2% 0.169 20.1)
XYZxyz(43.0584, 28.9415, 17.5032)
Luminance0.2894 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EF666C #66EFE9
analogous
#EF66B1 #EF666C #EFA566
triadic
#EF666C #6CEF66 #666CEF
tetradic
#EF666C #B1EF66 #66EFE9 #A566EF
square
#EF666C #B1EF66 #66EFE9 #A566EF
split-complementary
#EF666C #66EFA5 #66B1EF
monochromatic
#C6151C #E92F37 #EF666C #F59DA1 #FBD5D6

Accessibility & contrast

On white

3.09
#EF666C on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.79
#EF666C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF666C
6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EF666C#FFFFFF#000000##000000
##EF666C1.003.096.796.79
#FFFFFF3.091.0021.0021.00
#0000006.7921.001.001.00
##0000006.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#87816B
Deuteranopia (green-blind)
#A99D69
Tritanopia (blue-blind)
#FF4F69
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #ef666c;
/* rgb */ color: rgb(239, 102, 108);
/* oklch */ color: oklch(68.2% 0.169 20.1);
Tailwind
colors: {
  custom: {
    50: '#fa9696',
    500: '#ef666c',
    950: '#000000',
  },
}
SCSS
$custom: #ef666c;
$custom-light: #fa9696;
$custom-dark: #000000;
JSON
{
  "hex": "#ef666c",
  "rgb": {
    "r": 239,
    "g": 102,
    "b": 108
  },
  "hsl": {
    "h": 357.372,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.682,
    "c": 0.16932,
    "h": 20.1
  },
  "luminance": 0.28936
}

Semantic roles & 50–950 ramp

primary
#EF666C
secondary
#C2EEEC
accent
#DDD408
background
#FFF9F9
surface
#FFF2F1
border
#D7CCCB
text
#180E0D
muted
#867E7E

Preview Lab

Preview with #EF666C

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

Preview Lab → · Contrast checker → · Palette generator →

#EF666C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva