#EF5B56#EF5B56

#EF5B56 is a light, vivid red. Relative luminance 0.265; OKLCH L 66.4% C 0.184 H 25.3°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX#EF5B56
RGBrgb(239, 91, 86)
HSLhsl(2, 83%, 64%)
HSVhsv(2, 64%, 94%)
CMYKcmyk(0%, 61.9%, 64%, 6.3%)
CIE-LABlab(58.52, 56.66, 33.24)
CIE-LCHlch(58.52, 65.69, 30.40°)
OKLaboklab(66.42% 0.166 0.0786)
OKLCHoklch(66.42% 0.184 25.3)
XYZxyz(41.0214, 26.5103, 11.7592)
Luminance0.2651 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EF5B56 #56EAEF
analogous
#EF569D #EF5B56 #EFA756
triadic
#EF5B56 #56EF5B #5B56EF
tetradic
#EF5B56 #9DEF56 #56EAEF #A756EF
square
#EF5B56 #9DEF56 #56EAEF #A756EF
split-complementary
#EF5B56 #56EFA7 #569DEF
monochromatic
#B91712 #EA251E #EF5B56 #F4918E #FAC8C6

Accessibility & contrast

On white

3.33
#EF5B56 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.30
#EF5B56 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF5B56
6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EF5B56#FFFFFF#000000##000000
##EF5B561.003.336.306.30
#FFFFFF3.331.0021.0021.00
#0000006.3021.001.001.00
##0000006.3021.001.001.00

Color blindness preview

Protanopia (red-blind)
#827954
Deuteranopia (green-blind)
#A79952
Tritanopia (blue-blind)
#FF3B5B
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #ef5b56;
/* rgb */ color: rgb(239, 91, 86);
/* oklch */ color: oklch(66.4% 0.184 25.3);
Tailwind
colors: {
  custom: {
    50: '#fc9086',
    500: '#ef5b56',
    950: '#000000',
  },
}
SCSS
$custom: #ef5b56;
$custom-light: #fc9086;
$custom-dark: #000000;
JSON
{
  "hex": "#ef5b56",
  "rgb": {
    "r": 239,
    "g": 91,
    "b": 86
  },
  "hsl": {
    "h": 1.961,
    "s": 82.703,
    "l": 63.725
  },
  "oklch": {
    "l": 0.66415,
    "c": 0.18372,
    "h": 25.3
  },
  "luminance": 0.26505
}

Semantic roles & 50–950 ramp

primary
#EF5B56
secondary
#B5EAEB
accent
#D8DF06
background
#FFF9F8
surface
#FFF1EF
border
#D7CBCA
text
#190D0B
muted
#877E7C

Preview Lab

Preview with #EF5B56

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

Preview Lab → · Contrast checker → · Palette generator →

#EF5B56 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva