#EF4243#EF4243

#EF4243 is a light, highly saturated red. Relative luminance 0.227; OKLCH L 63.5% C 0.210 H 25.2°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX#EF4243
RGBrgb(239, 66, 67)
HSLhsl(360, 84%, 60%)
HSVhsv(360, 72%, 94%)
CMYKcmyk(0%, 72.4%, 72%, 6.3%)
CIE-LABlab(54.72, 65.33, 39.39)
CIE-LCHlch(54.72, 76.29, 31.09°)
OKLaboklab(63.49% 0.1897 0.0893)
OKLCHoklch(63.49% 0.21 25.2)
XYZxyz(38.5623, 22.6583, 7.6521)
Luminance0.2265 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EF4243 #42EFEE
analogous
#EF429A #EF4243 #EF9742
triadic
#EF4243 #43EF42 #4243EF
tetradic
#EF4243 #9AEF42 #42EFEE #9742EF
square
#EF4243 #9AEF42 #42EFEE #9742EF
split-complementary
#EF4243 #42EF97 #429AEF
monochromatic
#A80E0F #E11314 #EF4243 #F47A7B #F9B3B3

Accessibility & contrast

On white

3.80
#EF4243 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.53
#EF4243 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF4243
5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EF4243#FFFFFF#000000##000000
##EF42431.003.805.535.53
#FFFFFF3.801.0021.0021.00
#0000005.5321.001.001.00
##0000005.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#756B41
Deuteranopia (green-blind)
#A0913D
Tritanopia (blue-blind)
#FF0045
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #ef4243;
/* rgb */ color: rgb(239, 66, 67);
/* oklch */ color: oklch(63.5% 0.210 25.2);
Tailwind
colors: {
  custom: {
    50: '#fd8277',
    500: '#ef4243',
    950: '#000000',
  },
}
SCSS
$custom: #ef4243;
$custom-light: #fd8277;
$custom-dark: #000000;
JSON
{
  "hex": "#ef4243",
  "rgb": {
    "r": 239,
    "g": 66,
    "b": 67
  },
  "hsl": {
    "h": 359.653,
    "s": 84.39,
    "l": 59.804
  },
  "oklch": {
    "l": 0.63486,
    "c": 0.20965,
    "h": 25.2
  },
  "luminance": 0.22652
}

Semantic roles & 50–950 ramp

primary
#EF4243
secondary
#A5E8E7
accent
#FBF92D
background
#FFF8F7
surface
#FFF0ED
border
#D7CBC8
text
#1A0C09
muted
#877D7B

Preview Lab

Preview with #EF4243

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

Preview Lab → · Contrast checker → · Palette generator →

#EF4243 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva