#E53B37#E53B37

#E53B37 is a mid, highly saturated red. Relative luminance 0.201; OKLCH L 61.0% C 0.207 H 26.9°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX#E53B37
RGBrgb(229, 59, 55)
HSLhsl(1, 77%, 56%)
HSVhsv(1, 76%, 90%)
CMYKcmyk(0%, 74.2%, 76%, 10.2%)
CIE-LABlab(51.91, 64.18, 42.42)
CIE-LCHlch(51.91, 76.93, 33.46°)
OKLaboklab(61.02% 0.1848 0.0937)
OKLCHoklch(61.02% 0.207 26.9)
XYZxyz(34.5707, 20.0672, 5.6667)
Luminance0.2006 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#E53B37 #37E1E5
analogous
#E5378A #E53B37 #E59237
triadic
#E53B37 #37E53B #3B37E5
tetradic
#E53B37 #8AE537 #37E1E5 #9237E5
square
#E53B37 #8AE537 #37E1E5 #9237E5
split-complementary
#E53B37 #37E592 #378AE5
monochromatic
#8F1513 #C51E1A #E53B37 #EC706D #F3A5A3

Accessibility & contrast

On white

4.19
#E53B37 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.01
#E53B37 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E53B37
5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##E53B37#FFFFFF#000000##000000
##E53B371.004.195.015.01
#FFFFFF4.191.0021.0021.00
#0000005.0121.001.001.00
##0000005.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F6435
Deuteranopia (green-blind)
#998930
Tritanopia (blue-blind)
#FC003C
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #e53b37;
/* rgb */ color: rgb(229, 59, 55);
/* oklch */ color: oklch(61.0% 0.207 26.9);
Tailwind
colors: {
  custom: {
    50: '#f77e6f',
    500: '#e53b37',
    950: '#000000',
  },
}
SCSS
$custom: #e53b37;
$custom-light: #f77e6f;
$custom-dark: #000000;
JSON
{
  "hex": "#e53b37",
  "rgb": {
    "r": 229,
    "g": 59,
    "b": 55
  },
  "hsl": {
    "h": 1.379,
    "s": 76.991,
    "l": 55.686
  },
  "oklch": {
    "l": 0.6102,
    "c": 0.20719,
    "h": 26.9
  },
  "luminance": 0.20062
}

Semantic roles & 50–950 ramp

primary
#E53B37
secondary
#98DEE0
accent
#EFF434
background
#FFF8F6
surface
#FFEFEC
border
#D7CAC7
text
#190B07
muted
#867C7A

Preview Lab

Preview with #E53B37

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

Preview Lab → · Contrast checker → · Palette generator →

#E53B37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva