#E3533F#E3533F

#E3533F is a light, vivid red. Relative luminance 0.229; OKLCH L 63.3% C 0.183 H 30.7°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX#E3533F
RGBrgb(227, 83, 63)
HSLhsl(7, 75%, 57%)
HSVhsv(7, 72%, 89%)
CMYKcmyk(0%, 63.4%, 72.2%, 11%)
CIE-LABlab(54.95, 54.85, 41.30)
CIE-LCHlch(54.95, 68.66, 36.98°)
OKLaboklab(63.26% 0.1573 0.0933)
OKLCHoklch(63.26% 0.183 30.7)
XYZxyz(35.6728, 22.8813, 7.2398)
Luminance0.2288 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#E3533F #3FCFE3
analogous
#E33F7D #E3533F #E3A53F
triadic
#E3533F #3FE353 #533FE3
tetradic
#E3533F #7DE33F #3FCFE3 #A53FE3
square
#E3533F #7DE33F #3FCFE3 #A53FE3
split-complementary
#E3533F #3FE3A5 #3F7DE3
monochromatic
#922515 #C8321D #E3533F #EB8374 #F3B3AA

Accessibility & contrast

On white

3.77
#E3533F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.58
#E3533F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E3533F
5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##E3533F#FFFFFF#000000##000000
##E3533F1.003.775.585.58
#FFFFFF3.771.0021.0021.00
#0000005.5821.001.001.00
##0000005.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B703C
Deuteranopia (green-blind)
#9F8F3A
Tritanopia (blue-blind)
#F92E4F
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #e3533f;
/* rgb */ color: rgb(227, 83, 63);
/* oklch */ color: oklch(63.3% 0.183 30.7);
Tailwind
colors: {
  custom: {
    50: '#f48a75',
    500: '#e3533f',
    950: '#000000',
  },
}
SCSS
$custom: #e3533f;
$custom-light: #f48a75;
$custom-dark: #000000;
JSON
{
  "hex": "#e3533f",
  "rgb": {
    "r": 227,
    "g": 83,
    "b": 63
  },
  "hsl": {
    "h": 7.317,
    "s": 74.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.63257,
    "c": 0.18287,
    "h": 30.7
  },
  "luminance": 0.22876
}

Semantic roles & 50–950 ramp

primary
#E3533F
secondary
#9DD8E0
accent
#DAF137
background
#FFF8F7
surface
#FFF0ED
border
#D7CBC8
text
#190C08
muted
#867D7B

Preview Lab

Preview with #E3533F

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

Preview Lab → · Contrast checker → · Palette generator →

#E3533F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva