#C43733#C43733

#C43733 is a mid, vivid red. Relative luminance 0.147; OKLCH L 54.9% C 0.179 H 26.6°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX#C43733
RGBrgb(196, 55, 51)
HSLhsl(2, 59%, 48%)
HSVhsv(2, 74%, 77%)
CMYKcmyk(0%, 71.9%, 74%, 23.1%)
CIE-LABlab(45.24, 55.26, 35.58)
CIE-LCHlch(45.24, 65.72, 32.77°)
OKLaboklab(54.92% 0.1597 0.08)
OKLCHoklch(54.92% 0.179 26.6)
XYZxyz(24.7315, 14.7109, 4.6686)
Luminance0.1471 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C43733 #33C0C4
analogous
#C43377 #C43733 #C47F33
triadic
#C43733 #33C437 #3733C4
tetradic
#C43733 #77C433 #33C0C4 #7F33C4
square
#C43733 #77C433 #33C0C4 #7F33C4
split-complementary
#C43733 #33C47F #3377C4
monochromatic
#631C1A #932926 #C43733 #D5625F #E2928F

Accessibility & contrast

On white

5.33
#C43733 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.94
#C43733 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43733
5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C43733#FFFFFF#000000##FFFFFF
##C437331.005.333.945.33
#FFFFFF5.331.0021.001.00
#0000003.9421.001.0021.00
##FFFFFF5.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#605831
Deuteranopia (green-blind)
#83762E
Tritanopia (blue-blind)
#D80038
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #c43733;
/* rgb */ color: rgb(196, 55, 51);
/* oklch */ color: oklch(54.9% 0.179 26.6);
Tailwind
colors: {
  custom: {
    50: '#de786b',
    500: '#c43733',
    950: '#000000',
  },
}
SCSS
$custom: #c43733;
$custom-light: #de786b;
$custom-dark: #000000;
JSON
{
  "hex": "#c43733",
  "rgb": {
    "r": 196,
    "g": 55,
    "b": 51
  },
  "hsl": {
    "h": 1.655,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54917,
    "c": 0.17864,
    "h": 26.6
  },
  "luminance": 0.14707
}

Semantic roles & 50–950 ramp

primary
#C43733
secondary
#86CBCD
accent
#DEE246
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170906
muted
#857B7A

Preview Lab

Preview with #C43733

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

Preview Lab → · Contrast checker → · Palette generator →

#C43733 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva