#C13837#C13837

#C13837 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.6% C 0.174 H 25.4°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#C13837
RGB	rgb(193, 56, 55)
HSL	hsl(0, 56%, 49%)
HSV	hsv(0, 72%, 76%)
CMYK	cmyk(0%, 71%, 71.5%, 24.3%)
CIE-LAB	lab(44.86, 54.11, 32.69)
CIE-LCH	lch(44.86, 63.22, 31.14°)
OKLab	oklab(54.56% 0.1573 0.0747)
OKLCH	oklch(54.56% 0.174 25.4)
XYZ	xyz(24.0988, 14.4452, 5.1330)
Luminance	0.1444 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C13837 #37C0C1

analogous

#C1377B #C13837 #C17D37

triadic

#C13837 #37C138 #3837C1

tetradic

#C13837 #7BC137 #37C0C1 #7D37C1

square

#C13837 #7BC137 #37C0C1 #7D37C1

split-complementary

#C13837 #37C17D #377BC1

monochromatic

#621C1C #912A29 #C13837 #D26463 #E09392

Accessibility & contrast

On white

5.40

#C13837 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#C13837 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C13837

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C13837	#FFFFFF	#000000	##FFFFFF
##C13837	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5735

Deuteranopia (green-blind)

#817532

Tritanopia (blue-blind)

#D40239

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c13837;
/* rgb */ color: rgb(193, 56, 55);
/* oklch */ color: oklch(54.6% 0.174 25.4);

Tailwind

colors: {
  custom: {
    50: '#dc786e',
    500: '#c13837',
    950: '#000000',
  },
}

SCSS

$custom: #c13837;
$custom-light: #dc786e;
$custom-dark: #000000;

JSON

{
  "hex": "#c13837",
  "rgb": {
    "r": 193,
    "g": 56,
    "b": 55
  },
  "hsl": {
    "h": 0.435,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54556,
    "c": 0.17415,
    "h": 25.4
  },
  "luminance": 0.14442
}

Semantic roles & 50–950 ramp

primary

#C13837

secondary

#89CBCB

accent

#DEDF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C13837

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

Preview Lab → · Contrast checker → · Palette generator →