#EF537A#EF537A

#EF537A is a light, vivid red. Relative luminance 0.259; OKLCH L 66.2% C 0.192 H 9.0°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX#EF537A
RGBrgb(239, 83, 122)
HSLhsl(345, 83%, 63%)
HSVhsv(345, 65%, 94%)
CMYKcmyk(0%, 65.3%, 49%, 6.3%)
CIE-LABlab(57.99, 62.55, 11.66)
CIE-LCHlch(57.99, 63.63, 10.56°)
OKLaboklab(66.24% 0.19 0.0301)
OKLCHoklch(66.24% 0.192 9)
XYZxyz(42.2062, 25.9478, 21.1944)
Luminance0.2594 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EF537A #53EFC8
analogous
#EF53C8 #EF537A #EF7A53
triadic
#EF537A #7AEF53 #537AEF
tetradic
#EF537A #C8EF53 #53EFC8 #7A53EF
square
#EF537A #C8EF53 #53EFC8 #7A53EF
split-complementary
#EF537A #53EF7A #53C8EF
monochromatic
#B7113A #EA1B4F #EF537A #F48BA5 #F9C3D1

Accessibility & contrast

On white

3.39
#EF537A on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.19
#EF537A on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF537A
6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EF537A#FFFFFF#000000##000000
##EF537A1.003.396.196.19
#FFFFFF3.391.0021.0021.00
#0000006.1921.001.001.00
##0000006.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#76787B
Deuteranopia (green-blind)
#9F9776
Tritanopia (blue-blind)
#FF3962
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #ef537a;
/* rgb */ color: rgb(239, 83, 122);
/* oklch */ color: oklch(66.2% 0.192 9.0);
Tailwind
colors: {
  custom: {
    50: '#fa8ca0',
    500: '#ef537a',
    950: '#000000',
  },
}
SCSS
$custom: #ef537a;
$custom-light: #fa8ca0;
$custom-dark: #000000;
JSON
{
  "hex": "#ef537a",
  "rgb": {
    "r": 239,
    "g": 83,
    "b": 122
  },
  "hsl": {
    "h": 345,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.66242,
    "c": 0.1924,
    "h": 9
  },
  "luminance": 0.25942
}

Semantic roles & 50–950 ramp

primary
#EF537A
secondary
#B3EBDD
accent
#DFA906
background
#FFF9F9
surface
#FFF1F2
border
#D7CBCC
text
#180D0E
muted
#867E7E

Preview Lab

Preview with #EF537A

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

Preview Lab → · Contrast checker → · Palette generator →

#EF537A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva