#C43930#C43930

#C43930 is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.1% C 0.177 H 28.1°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX#C43930
RGBrgb(196, 57, 48)
HSLhsl(4, 61%, 48%)
HSVhsv(4, 76%, 77%)
CMYKcmyk(0%, 70.9%, 75.5%, 23.1%)
CIE-LABlab(45.47, 54.40, 37.54)
CIE-LCHlch(45.47, 66.09, 34.61°)
OKLaboklab(55.08% 0.1564 0.0836)
OKLCHoklch(55.08% 0.177 28.1)
XYZxyz(24.7644, 14.8792, 4.3637)
Luminance0.1487 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C43930 #30BBC4
analogous
#C43071 #C43930 #C48330
triadic
#C43930 #30C439 #3930C4
tetradic
#C43930 #71C430 #30BBC4 #8330C4
square
#C43930 #71C430 #30BBC4 #8330C4
split-complementary
#C43930 #30C483 #3071C4
monochromatic
#621C18 #932B24 #C43930 #D7625A #E3918C

Accessibility & contrast

On white

5.28
#C43930 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.97
#C43930 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43930
5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C43930#FFFFFF#000000##FFFFFF
##C439301.005.283.975.28
#FFFFFF5.281.0021.001.00
#0000003.9721.001.0021.00
##FFFFFF5.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#62582E
Deuteranopia (green-blind)
#84772B
Tritanopia (blue-blind)
#D80038
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #c43930;
/* rgb */ color: rgb(196, 57, 48);
/* oklch */ color: oklch(55.1% 0.177 28.1);
Tailwind
colors: {
  custom: {
    50: '#df7969',
    500: '#c43930',
    950: '#000000',
  },
}
SCSS
$custom: #c43930;
$custom-light: #df7969;
$custom-dark: #000000;
JSON
{
  "hex": "#c43930",
  "rgb": {
    "r": 196,
    "g": 57,
    "b": 48
  },
  "hsl": {
    "h": 3.649,
    "s": 60.656,
    "l": 47.843
  },
  "oklch": {
    "l": 0.5508,
    "c": 0.1773,
    "h": 28.1
  },
  "luminance": 0.14875
}

Semantic roles & 50–950 ramp

primary
#C43930
secondary
#83C8CD
accent
#DAE444
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170A06
muted
#857C7A

Preview Lab

Preview with #C43930

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

Preview Lab → · Contrast checker → · Palette generator →

#C43930 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva