#C13437#C13437

#C13437 is a mid, vivid red. Relative luminance 0.141; OKLCH L 54.2% C 0.178 H 24.4°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#C13437
RGB	rgb(193, 52, 55)
HSL	hsl(359, 58%, 48%)
HSV	hsv(359, 73%, 76%)
CMYK	cmyk(0%, 73.1%, 71.5%, 24.3%)
CIE-LAB	lab(44.34, 55.57, 32.07)
CIE-LCH	lch(44.34, 64.16, 29.99°)
OKLab	oklab(54.16% 0.1619 0.0734)
OKLCH	oklch(54.16% 0.178 24.4)
XYZ	xyz(23.9126, 14.0729, 5.0709)
Luminance	0.1407 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C13437 #34C1BE

analogous

#C1347E #C13437 #C17734

triadic

#C13437 #37C134 #3437C1

tetradic

#C13437 #7EC134 #34C1BE #7734C1

square

#C13437 #7EC134 #34C1BE #7734C1

split-complementary

#C13437 #34C177 #347EC1

monochromatic

#611A1C #912729 #C13437 #D45E61 #E18F90

Accessibility & contrast

On white

5.51

#C13437 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#C13437 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C13437

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C13437	#FFFFFF	#000000	##FFFFFF
##C13437	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5536

Deuteranopia (green-blind)

#807432

Tritanopia (blue-blind)

#D40037

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c13437;
/* rgb */ color: rgb(193, 52, 55);
/* oklch */ color: oklch(54.2% 0.178 24.4);

Tailwind

colors: {
  custom: {
    50: '#dc766e',
    500: '#c13437',
    950: '#000000',
  },
}

SCSS

$custom: #c13437;
$custom-light: #dc766e;
$custom-dark: #000000;

JSON

{
  "hex": "#c13437",
  "rgb": {
    "r": 193,
    "g": 52,
    "b": 55
  },
  "hsl": {
    "h": 358.723,
    "s": 57.551,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54162,
    "c": 0.17777,
    "h": 24.4
  },
  "luminance": 0.14069
}

Semantic roles & 50–950 ramp

primary

#C13437

secondary

#86CBCA

accent

#E1DE47

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170907

muted

#857B7A

Preview Lab

Preview with #C13437

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

Preview Lab → · Contrast checker → · Palette generator →