#C43539#C43539

#C43539 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.8% C 0.180 H 24.0°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX#C43539
RGBrgb(196, 53, 57)
HSLhsl(358, 57%, 49%)
HSVhsv(358, 73%, 77%)
CMYKcmyk(0%, 73%, 70.9%, 23.1%)
CIE-LABlab(45.05, 56.25, 31.88)
CIE-LCHlch(45.05, 64.65, 29.54°)
OKLaboklab(54.81% 0.1641 0.0732)
OKLCHoklch(54.81% 0.18 24)
XYZxyz(24.7793, 14.5811, 5.3798)
Luminance0.1458 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C43539 #35C4C0
analogous
#C43581 #C43539 #C47935
triadic
#C43539 #39C435 #3539C4
tetradic
#C43539 #81C435 #35C4C0 #7935C4
square
#C43539 #81C435 #35C4C0 #7935C4
split-complementary
#C43539 #35C479 #3581C4
monochromatic
#641B1D #94282B #C43539 #D46265 #E19294

Accessibility & contrast

On white

5.36
#C43539 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.92
#C43539 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43539
5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C43539#FFFFFF#000000##FFFFFF
##C435391.005.363.925.36
#FFFFFF5.361.0021.001.00
#0000003.9221.001.0021.00
##FFFFFF5.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E5738
Deuteranopia (green-blind)
#827634
Tritanopia (blue-blind)
#D70038
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #c43539;
/* rgb */ color: rgb(196, 53, 57);
/* oklch */ color: oklch(54.8% 0.180 24.0);
Tailwind
colors: {
  custom: {
    50: '#de776f',
    500: '#c43539',
    950: '#000000',
  },
}
SCSS
$custom: #c43539;
$custom-light: #de776f;
$custom-dark: #000000;
JSON
{
  "hex": "#c43539",
  "rgb": {
    "r": 196,
    "g": 53,
    "b": 57
  },
  "hsl": {
    "h": 358.322,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54808,
    "c": 0.17968,
    "h": 24
  },
  "luminance": 0.14577
}

Semantic roles & 50–950 ramp

primary
#C43539
secondary
#88CCCB
accent
#E1DC47
background
#FEF7F6
surface
#FDEEEC
border
#D5C9C7
text
#170907
muted
#857B7A

Preview Lab

Preview with #C43539

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

Preview Lab → · Contrast checker → · Palette generator →

#C43539 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva