#C53743#C53743

#C53743 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.3% C 0.178 H 20.8°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX#C53743
RGBrgb(197, 55, 67)
HSLhsl(355, 56%, 49%)
HSVhsv(355, 72%, 77%)
CMYKcmyk(0%, 72.1%, 66%, 22.7%)
CIE-LABlab(45.65, 56.36, 26.68)
CIE-LCHlch(45.65, 62.35, 25.33°)
OKLaboklab(55.33% 0.1664 0.0631)
OKLCHoklch(55.33% 0.178 20.8)
XYZxyz(25.4080, 15.0117, 6.8688)
Luminance0.1501 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C53743 #37C5B9
analogous
#C5378A #C53743 #C57237
triadic
#C53743 #43C537 #3743C5
tetradic
#C53743 #8AC537 #37C5B9 #7237C5
square
#C53743 #8AC537 #37C5B9 #7237C5
split-complementary
#C53743 #37C572 #378AC5
monochromatic
#651C22 #952A33 #C53743 #D4656F #E1959B

Accessibility & contrast

On white

5.25
#C53743 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.00
#C53743 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53743
5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C53743#FFFFFF#000000##FFFFFF
##C537431.005.254.005.25
#FFFFFF5.251.0021.001.00
#0000004.0021.001.0021.00
##FFFFFF5.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F5942
Deuteranopia (green-blind)
#83773F
Tritanopia (blue-blind)
#D8003D
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #c53743;
/* rgb */ color: rgb(197, 55, 67);
/* oklch */ color: oklch(55.3% 0.178 20.8);
Tailwind
colors: {
  custom: {
    50: '#de7877',
    500: '#c53743',
    950: '#000000',
  },
}
SCSS
$custom: #c53743;
$custom-light: #de7877;
$custom-dark: #000000;
JSON
{
  "hex": "#c53743",
  "rgb": {
    "r": 197,
    "g": 55,
    "b": 67
  },
  "hsl": {
    "h": 354.93,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55334,
    "c": 0.178,
    "h": 20.8
  },
  "luminance": 0.15008
}

Semantic roles & 50–950 ramp

primary
#C53743
secondary
#8BCDC7
accent
#E0D348
background
#FEF7F7
surface
#FDEEED
border
#D5C9C8
text
#170A08
muted
#857C7B

Preview Lab

Preview with #C53743

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

Preview Lab → · Contrast checker → · Palette generator →

#C53743 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva