#EF5547#EF5547

#EF5547 is a light, vivid red. Relative luminance 0.253; OKLCH L 65.5% C 0.192 H 28.6°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX#EF5547
RGBrgb(239, 85, 71)
HSLhsl(5, 84%, 61%)
HSVhsv(5, 70%, 94%)
CMYKcmyk(0%, 64.4%, 70.3%, 6.3%)
CIE-LABlab(57.37, 58.38, 40.24)
CIE-LCHlch(57.37, 70.90, 34.57°)
OKLaboklab(65.49% 0.1686 0.0919)
OKLCHoklch(65.49% 0.192 28.6)
XYZxyz(39.9867, 25.3084, 8.7394)
Luminance0.2530 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EF5547 #47E1EF
analogous
#EF478D #EF5547 #EFA947
triadic
#EF5547 #47EF55 #5547EF
tetradic
#EF5547 #8DEF47 #47E1EF #A947EF
square
#EF5547 #8DEF47 #47E1EF #A947EF
split-complementary
#EF5547 #47EFA9 #478DEF
monochromatic
#AD1C0F #E52514 #EF5547 #F4897F #F9BDB8

Accessibility & contrast

On white

3.47
#EF5547 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.06
#EF5547 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF5547
6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EF5547#FFFFFF#000000##000000
##EF55471.003.476.066.06
#FFFFFF3.471.0021.0021.00
#0000006.0621.001.001.00
##0000006.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#807544
Deuteranopia (green-blind)
#A69642
Tritanopia (blue-blind)
#FF2D53
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #ef5547;
/* rgb */ color: rgb(239, 85, 71);
/* oklch */ color: oklch(65.5% 0.192 28.6);
Tailwind
colors: {
  custom: {
    50: '#fd8c7b',
    500: '#ef5547',
    950: '#000000',
  },
}
SCSS
$custom: #ef5547;
$custom-light: #fd8c7b;
$custom-dark: #000000;
JSON
{
  "hex": "#ef5547",
  "rgb": {
    "r": 239,
    "g": 85,
    "b": 71
  },
  "hsl": {
    "h": 5,
    "s": 84,
    "l": 60.784
  },
  "oklch": {
    "l": 0.65489,
    "c": 0.19202,
    "h": 28.6
  },
  "luminance": 0.25303
}

Semantic roles & 50–950 ramp

primary
#EF5547
secondary
#A9E3E9
accent
#CEE005
background
#FFF8F7
surface
#FFF0EE
border
#D7CBC9
text
#190D09
muted
#867D7B

Preview Lab

Preview with #EF5547

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

Preview Lab → · Contrast checker → · Palette generator →

#EF5547 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva