#C13131#C13131

#C13131 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.8% C 0.181 H 25.7°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX#C13131
RGBrgb(193, 49, 49)
HSLhsl(0, 60%, 47%)
HSVhsv(0, 75%, 76%)
CMYKcmyk(0%, 74.6%, 74.6%, 24.3%)
CIE-LABlab(43.89, 56.35, 35.06)
CIE-LCHlch(43.89, 66.36, 31.89°)
OKLaboklab(53.8% 0.1631 0.0786)
OKLCHoklch(53.8% 0.181 25.7)
XYZxyz(23.6478, 13.7595, 4.3158)
Luminance0.1376 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C13131 #31C1C1
analogous
#C13179 #C13131 #C17931
triadic
#C13131 #31C131 #3131C1
tetradic
#C13131 #79C131 #31C1C1 #7931C1
square
#C13131 #79C131 #31C1C1 #7931C1
split-complementary
#C13131 #31C179 #3179C1
monochromatic
#5F1818 #902525 #C13131 #D55A5A #E28B8B

Accessibility & contrast

On white

5.60
#C13131 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.75
#C13131 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C13131
5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C13131#FFFFFF#000000##FFFFFF
##C131311.005.603.755.60
#FFFFFF5.601.0021.001.00
#0000003.7521.001.0021.00
##FFFFFF5.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C542F
Deuteranopia (green-blind)
#80732C
Tritanopia (blue-blind)
#D40033
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #c13131;
/* rgb */ color: rgb(193, 49, 49);
/* oklch */ color: oklch(53.8% 0.181 25.7);
Tailwind
colors: {
  custom: {
    50: '#dd7469',
    500: '#c13131',
    950: '#000000',
  },
}
SCSS
$custom: #c13131;
$custom-light: #dd7469;
$custom-dark: #000000;
JSON
{
  "hex": "#c13131",
  "rgb": {
    "r": 193,
    "g": 49,
    "b": 49
  },
  "hsl": {
    "h": 0,
    "s": 59.504,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53801,
    "c": 0.18104,
    "h": 25.7
  },
  "luminance": 0.13756
}

Semantic roles & 50–950 ramp

primary
#C13131
secondary
#82CCCC
accent
#E3E345
background
#FEF7F6
surface
#FDEDEB
border
#D5C8C6
text
#170906
muted
#857B7A

Preview Lab

Preview with #C13131

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

Preview Lab → · Contrast checker → · Palette generator →

#C13131 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva