#C13738#C13738

#C13738 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.5% C 0.175 H 24.8°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#C13738
RGB	rgb(193, 55, 56)
HSL	hsl(360, 56%, 49%)
HSV	hsv(360, 72%, 76%)
CMYK	cmyk(0%, 71.5%, 71%, 24.3%)
CIE-LAB	lab(44.74, 54.53, 31.96)
CIE-LCH	lch(44.74, 63.21, 30.37°)
OKLab	oklab(54.47% 0.1588 0.0733)
OKLCH	oklch(54.47% 0.175 24.8)
XYZ	xyz(24.0750, 14.3590, 5.2445)
Luminance	0.1436 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C13738 #37C1C0

analogous

#C1377D #C13738 #C17B37

triadic

#C13738 #38C137 #3738C1

tetradic

#C13738 #7DC137 #37C1C0 #7B37C1

square

#C13738 #7DC137 #37C1C0 #7B37C1

split-complementary

#C13738 #37C17B #377DC1

monochromatic

#621C1C #91292A #C13738 #D26364 #E09293

Accessibility & contrast

On white

5.42

#C13738 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#C13738 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C13738

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C13738	#FFFFFF	#000000	##FFFFFF
##C13738	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5737

Deuteranopia (green-blind)

#817533

Tritanopia (blue-blind)

#D40039

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c13738;
/* rgb */ color: rgb(193, 55, 56);
/* oklch */ color: oklch(54.5% 0.175 24.8);

Tailwind

colors: {
  custom: {
    50: '#dc776f',
    500: '#c13738',
    950: '#000000',
  },
}

SCSS

$custom: #c13738;
$custom-light: #dc776f;
$custom-dark: #000000;

JSON

{
  "hex": "#c13738",
  "rgb": {
    "r": 193,
    "g": 55,
    "b": 56
  },
  "hsl": {
    "h": 359.565,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54469,
    "c": 0.17494,
    "h": 24.8
  },
  "luminance": 0.14355
}

Semantic roles & 50–950 ramp

primary

#C13738

secondary

#89CBCB

accent

#DFDE49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C13738

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

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