#C53037#C53037

#C53037 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.5% C 0.185 H 23.7°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#C53037
RGB	rgb(197, 48, 55)
HSL	hsl(357, 61%, 48%)
HSV	hsv(357, 76%, 77%)
CMYK	cmyk(0%, 75.6%, 72.1%, 22.7%)
CIE-LAB	lab(44.61, 58.15, 32.58)
CIE-LCH	lch(44.61, 66.66, 29.26°)
OKLab	oklab(54.5% 0.1696 0.0743)
OKLCH	oklch(54.5% 0.185 23.7)
XYZ	xyz(24.7753, 14.2639, 5.0624)
Luminance	0.1426 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53037 #30C5BE

analogous

#C53081 #C53037 #C57330

triadic

#C53037 #37C530 #3037C5

tetradic

#C53037 #81C530 #30C5BE #7330C5

square

#C53037 #81C530 #30C5BE #7330C5

split-complementary

#C53037 #30C573 #3081C5

monochromatic

#63181C #942429 #C53037 #D75B61 #E38C90

Accessibility & contrast

On white

5.45

#C53037 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#C53037 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53037

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53037	#FFFFFF	#000000	##FFFFFF
##C53037	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5536

Deuteranopia (green-blind)

#827532

Tritanopia (blue-blind)

#D90034

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c53037;
/* rgb */ color: rgb(197, 48, 55);
/* oklch */ color: oklch(54.5% 0.185 23.7);

Tailwind

colors: {
  custom: {
    50: '#df756e',
    500: '#c53037',
    950: '#000000',
  },
}

SCSS

$custom: #c53037;
$custom-light: #df756e;
$custom-dark: #000000;

JSON

{
  "hex": "#c53037",
  "rgb": {
    "r": 197,
    "g": 48,
    "b": 55
  },
  "hsl": {
    "h": 357.181,
    "s": 60.816,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54501,
    "c": 0.18514,
    "h": 23.7
  },
  "luminance": 0.1426
}

Semantic roles & 50–950 ramp

primary

#C53037

secondary

#84CDCA

accent

#E4DC44

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#170907

muted

#857B7A

Preview Lab

Preview with #C53037

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

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