#EF5756#EF5756

#EF5756 is a light, vivid red. Relative luminance 0.258; OKLCH L 65.9% C 0.188 H 24.2°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX#EF5756
RGBrgb(239, 87, 86)
HSLhsl(0, 83%, 64%)
HSVhsv(0, 64%, 94%)
CMYKcmyk(0%, 63.6%, 64%, 6.3%)
CIE-LABlab(57.89, 58.34, 32.45)
CIE-LCHlch(57.89, 66.76, 29.08°)
OKLaboklab(65.94% 0.1714 0.0769)
OKLCHoklch(65.94% 0.188 24.2)
XYZxyz(40.6886, 25.8446, 11.6482)
Luminance0.2584 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EF5756 #56EEEF
analogous
#EF56A1 #EF5756 #EFA356
triadic
#EF5756 #56EF57 #5756EF
tetradic
#EF5756 #A1EF56 #56EEEF #A356EF
square
#EF5756 #A1EF56 #56EEEF #A356EF
split-complementary
#EF5756 #56EFA3 #56A1EF
monochromatic
#B91312 #EA1F1E #EF5756 #F48F8E #FAC6C6

Accessibility & contrast

On white

3.40
#EF5756 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.17
#EF5756 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF5756
6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EF5756#FFFFFF#000000##000000
##EF57561.003.406.176.17
#FFFFFF3.401.0021.0021.00
#0000006.1721.001.001.00
##0000006.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F7755
Deuteranopia (green-blind)
#A59752
Tritanopia (blue-blind)
#FF3458
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #ef5756;
/* rgb */ color: rgb(239, 87, 86);
/* oklch */ color: oklch(65.9% 0.188 24.2);
Tailwind
colors: {
  custom: {
    50: '#fc8d85',
    500: '#ef5756',
    950: '#000000',
  },
}
SCSS
$custom: #ef5756;
$custom-light: #fc8d85;
$custom-dark: #000000;
JSON
{
  "hex": "#ef5756",
  "rgb": {
    "r": 239,
    "g": 87,
    "b": 86
  },
  "hsl": {
    "h": 0.392,
    "s": 82.703,
    "l": 63.725
  },
  "oklch": {
    "l": 0.65942,
    "c": 0.18782,
    "h": 24.2
  },
  "luminance": 0.25839
}

Semantic roles & 50–950 ramp

primary
#EF5756
secondary
#B5EBEB
accent
#DEDF06
background
#FFF9F8
surface
#FFF1EF
border
#D7CBCA
text
#190D0B
muted
#877E7C

Preview Lab

Preview with #EF5756

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

Preview Lab → · Contrast checker → · Palette generator →

#EF5756 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva