#C13037#C13037

#C13037 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.8% C 0.181 H 23.4°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#C13037
RGB	rgb(193, 48, 55)
HSL	hsl(357, 60%, 47%)
HSV	hsv(357, 75%, 76%)
CMYK	cmyk(0%, 75.1%, 71.5%, 24.3%)
CIE-LAB	lab(43.84, 56.94, 31.49)
CIE-LCH	lch(43.84, 65.07, 28.95°)
OKLab	oklab(53.8% 0.1663 0.0721)
OKLCH	oklch(53.8% 0.181 23.4)
XYZ	xyz(23.7416, 13.7308, 5.0139)
Luminance	0.1373 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C13037 #30C1BA

analogous

#C13080 #C13037 #C17130

triadic

#C13037 #37C130 #3037C1

tetradic

#C13037 #80C130 #30C1BA #7130C1

square

#C13037 #80C130 #30C1BA #7130C1

split-complementary

#C13037 #30C171 #3080C1

monochromatic

#5F181B #902429 #C13037 #D6595F #E28A8E

Accessibility & contrast

On white

5.61

#C13037 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#C13037 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C13037

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C13037	#FFFFFF	#000000	##FFFFFF
##C13037	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5436

Deuteranopia (green-blind)

#7F7332

Tritanopia (blue-blind)

#D40034

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #c13037;
/* rgb */ color: rgb(193, 48, 55);
/* oklch */ color: oklch(53.8% 0.181 23.4);

Tailwind

colors: {
  custom: {
    50: '#dc746e',
    500: '#c13037',
    950: '#000000',
  },
}

SCSS

$custom: #c13037;
$custom-light: #dc746e;
$custom-dark: #000000;

JSON

{
  "hex": "#c13037",
  "rgb": {
    "r": 193,
    "g": 48,
    "b": 55
  },
  "hsl": {
    "h": 357.103,
    "s": 60.166,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53795,
    "c": 0.18123,
    "h": 23.4
  },
  "luminance": 0.13727
}

Semantic roles & 50–950 ramp

primary

#C13037

secondary

#81CCC8

accent

#E3DC44

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#170907

muted

#857B7A

Preview Lab

Preview with #C13037

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

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