#C13731#C13731

#C13731 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.4% C 0.176 H 27.2°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX#C13731
RGBrgb(193, 55, 49)
HSLhsl(3, 60%, 47%)
HSVhsv(3, 75%, 76%)
CMYKcmyk(0%, 71.5%, 74.6%, 24.3%)
CIE-LABlab(44.65, 54.22, 35.92)
CIE-LCHlch(44.65, 65.04, 33.52°)
OKLaboklab(54.37% 0.1564 0.0805)
OKLCHoklch(54.37% 0.176 27.2)
XYZxyz(23.9156, 14.2952, 4.4051)
Luminance0.1429 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C13731 #31BBC1
analogous
#C13173 #C13731 #C17F31
triadic
#C13731 #31C137 #3731C1
tetradic
#C13731 #73C131 #31BBC1 #7F31C1
square
#C13731 #73C131 #31BBC1 #7F31C1
split-complementary
#C13731 #31C17F #3173C1
monochromatic
#5F1B18 #902925 #C13731 #D55F5A #E28E8B

Accessibility & contrast

On white

5.44
#C13731 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.86
#C13731 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C13731
5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C13731#FFFFFF#000000##FFFFFF
##C137311.005.443.865.44
#FFFFFF5.441.0021.001.00
#0000003.8621.001.0021.00
##FFFFFF5.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F562F
Deuteranopia (green-blind)
#82752C
Tritanopia (blue-blind)
#D40037
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #c13731;
/* rgb */ color: rgb(193, 55, 49);
/* oklch */ color: oklch(54.4% 0.176 27.2);
Tailwind
colors: {
  custom: {
    50: '#dc776a',
    500: '#c13731',
    950: '#000000',
  },
}
SCSS
$custom: #c13731;
$custom-light: #dc776a;
$custom-dark: #000000;
JSON
{
  "hex": "#c13731",
  "rgb": {
    "r": 193,
    "g": 55,
    "b": 49
  },
  "hsl": {
    "h": 2.5,
    "s": 59.504,
    "l": 47.451
  },
  "oklch": {
    "l": 0.54373,
    "c": 0.17587,
    "h": 27.2
  },
  "luminance": 0.14292
}

Semantic roles & 50–950 ramp

primary
#C13731
secondary
#82C9CC
accent
#DCE345
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170906
muted
#857B7A

Preview Lab

Preview with #C13731

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

Preview Lab → · Contrast checker → · Palette generator →

#C13731 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva