#E23831#E23831

#E23831 is a mid, highly saturated red. Relative luminance 0.192; OKLCH L 60.2% C 0.207 H 27.8°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX#E23831
RGBrgb(226, 56, 49)
HSLhsl(2, 75%, 54%)
HSVhsv(2, 78%, 89%)
CMYKcmyk(0%, 75.2%, 78.3%, 11.4%)
CIE-LABlab(50.95, 64.04, 44.48)
CIE-LCHlch(50.95, 77.97, 34.78°)
OKLaboklab(60.18% 0.1835 0.0967)
OKLCHoklch(60.18% 0.207 27.8)
XYZxyz(33.3366, 19.2241, 4.8605)
Luminance0.1922 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#E23831 #31DBE2
analogous
#E23183 #E23831 #E29131
triadic
#E23831 #31E238 #3831E2
tetradic
#E23831 #83E231 #31DBE2 #9131E2
square
#E23831 #83E231 #31DBE2 #9131E2
split-complementary
#E23831 #31E291 #3183E2
monochromatic
#861713 #BB211A #E23831 #EA6C67 #F1A09C

Accessibility & contrast

On white

4.34
#E23831 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.84
#E23831 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E23831
4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##E23831#FFFFFF#000000##000000
##E238311.004.344.844.84
#FFFFFF4.341.0021.0021.00
#0000004.8421.001.001.00
##0000004.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C622E
Deuteranopia (green-blind)
#968729
Tritanopia (blue-blind)
#F90039
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #e23831;
/* rgb */ color: rgb(226, 56, 49);
/* oklch */ color: oklch(60.2% 0.207 27.8);
Tailwind
colors: {
  custom: {
    50: '#f57c6a',
    500: '#e23831',
    950: '#000000',
  },
}
SCSS
$custom: #e23831;
$custom-light: #f57c6a;
$custom-dark: #000000;
JSON
{
  "hex": "#e23831",
  "rgb": {
    "r": 226,
    "g": 56,
    "b": 49
  },
  "hsl": {
    "h": 2.373,
    "s": 75.319,
    "l": 53.922
  },
  "oklch": {
    "l": 0.60182,
    "c": 0.20741,
    "h": 27.8
  },
  "luminance": 0.19219
}

Semantic roles & 50–950 ramp

primary
#E23831
secondary
#92DADD
accent
#EAF236
background
#FFF8F6
surface
#FFEFEB
border
#D7CAC6
text
#190B06
muted
#867C7A

Preview Lab

Preview with #E23831

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

Preview Lab → · Contrast checker → · Palette generator →

#E23831 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva