#C53637#C53637

#C53637 is a mid, vivid red. Relative luminance 0.148; OKLCH L 55.0% C 0.180 H 25.0°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#C53637
RGB	rgb(197, 54, 55)
HSL	hsl(360, 57%, 49%)
HSV	hsv(360, 73%, 77%)
CMYK	cmyk(0%, 72.6%, 72.1%, 22.7%)
CIE-LAB	lab(45.34, 56.11, 33.44)
CIE-LCH	lch(45.34, 65.32, 30.79°)
OKLab	oklab(55.05% 0.1631 0.0761)
OKLCH	oklch(55.05% 0.18 25)
XYZ	xyz(25.0375, 14.7883, 5.1498)
Luminance	0.1478 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53637 #36C5C4

analogous

#C5367F #C53637 #C57C36

triadic

#C53637 #37C536 #3637C5

tetradic

#C53637 #7FC536 #36C5C4 #7C36C5

square

#C53637 #7FC536 #36C5C4 #7C36C5

split-complementary

#C53637 #36C57C #367FC5

monochromatic

#651C1C #95292A #C53637 #D46465 #E29494

Accessibility & contrast

On white

5.31

#C53637 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#C53637 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53637

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53637	#FFFFFF	#000000	##FFFFFF
##C53637	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605836

Deuteranopia (green-blind)

#837732

Tritanopia (blue-blind)

#D90038

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c53637;
/* rgb */ color: rgb(197, 54, 55);
/* oklch */ color: oklch(55.0% 0.180 25.0);

Tailwind

colors: {
  custom: {
    50: '#df776e',
    500: '#c53637',
    950: '#000000',
  },
}

SCSS

$custom: #c53637;
$custom-light: #df776e;
$custom-dark: #000000;

JSON

{
  "hex": "#c53637",
  "rgb": {
    "r": 197,
    "g": 54,
    "b": 55
  },
  "hsl": {
    "h": 359.58,
    "s": 56.972,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55048,
    "c": 0.18002,
    "h": 25
  },
  "luminance": 0.14784
}

Semantic roles & 50–950 ramp

primary

#C53637

secondary

#8ACDCC

accent

#E0DF48

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C53637

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

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