#EF5A53#EF5A53

#EF5A53 is a light, vivid red. Relative luminance 0.263; OKLCH L 66.2% C 0.185 H 26.1°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX#EF5A53
RGBrgb(239, 90, 83)
HSLhsl(3, 83%, 63%)
HSVhsv(3, 65%, 94%)
CMYKcmyk(0%, 62.3%, 65.3%, 6.3%)
CIE-LABlab(58.31, 56.91, 34.68)
CIE-LCHlch(58.31, 66.64, 31.35°)
OKLaboklab(66.25% 0.1663 0.0815)
OKLCHoklch(66.25% 0.185 26.1)
XYZxyz(40.8182, 26.2932, 11.1076)
Luminance0.2629 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EF5A53 #53E8EF
analogous
#EF539A #EF5A53 #EFA853
triadic
#EF5A53 #53EF5A #5A53EF
tetradic
#EF5A53 #9AEF53 #53E8EF #A853EF
square
#EF5A53 #9AEF53 #53E8EF #A853EF
split-complementary
#EF5A53 #53EFA8 #539AEF
monochromatic
#B71811 #EA241B #EF5A53 #F4908B #F9C5C3

Accessibility & contrast

On white

3.36
#EF5A53 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.26
#EF5A53 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF5A53
6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EF5A53#FFFFFF#000000##000000
##EF5A531.003.366.266.26
#FFFFFF3.361.0021.0021.00
#0000006.2621.001.001.00
##0000006.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#817851
Deuteranopia (green-blind)
#A7984F
Tritanopia (blue-blind)
#FF3959
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #ef5a53;
/* rgb */ color: rgb(239, 90, 83);
/* oklch */ color: oklch(66.2% 0.185 26.1);
Tailwind
colors: {
  custom: {
    50: '#fc8f83',
    500: '#ef5a53',
    950: '#000000',
  },
}
SCSS
$custom: #ef5a53;
$custom-light: #fc8f83;
$custom-dark: #000000;
JSON
{
  "hex": "#ef5a53",
  "rgb": {
    "r": 239,
    "g": 90,
    "b": 83
  },
  "hsl": {
    "h": 2.692,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.66247,
    "c": 0.18518,
    "h": 26.1
  },
  "luminance": 0.26288
}

Semantic roles & 50–950 ramp

primary
#EF5A53
secondary
#B3E8EB
accent
#D6DF06
background
#FFF9F8
surface
#FFF1EF
border
#D7CBCA
text
#190D0A
muted
#877E7C

Preview Lab

Preview with #EF5A53

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

Preview Lab → · Contrast checker → · Palette generator →

#EF5A53 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva