#C53E37#C53E37

#C53E37 is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.9% C 0.173 H 27.2°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#C53E37
RGB	rgb(197, 62, 55)
HSL	hsl(3, 56%, 49%)
HSV	hsv(3, 72%, 77%)
CMYK	cmyk(0%, 68.5%, 72.1%, 22.7%)
CIE-LAB	lab(46.44, 53.10, 34.70)
CIE-LCH	lch(46.44, 63.43, 33.17°)
OKLab	oklab(55.87% 0.1536 0.0789)
OKLCH	oklch(55.87% 0.173 27.2)
XYZ	xyz(25.4410, 15.5951, 5.2842)
Luminance	0.1559 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53E37 #37BEC5

analogous

#C53777 #C53E37 #C58537

triadic

#C53E37 #37C53E #3E37C5

tetradic

#C53E37 #77C537 #37BEC5 #8537C5

square

#C53E37 #77C537 #37BEC5 #8537C5

split-complementary

#C53E37 #37C585 #3777C5

monochromatic

#65201C #952F2A #C53E37 #D46B65 #E19995

Accessibility & contrast

On white

5.10

#C53E37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#C53E37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53E37

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53E37	#FFFFFF	#000000	##FFFFFF
##C53E37	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B35

Deuteranopia (green-blind)

#867932

Tritanopia (blue-blind)

#D9133E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c53e37;
/* rgb */ color: rgb(197, 62, 55);
/* oklch */ color: oklch(55.9% 0.173 27.2);

Tailwind

colors: {
  custom: {
    50: '#df7b6e',
    500: '#c53e37',
    950: '#000000',
  },
}

SCSS

$custom: #c53e37;
$custom-light: #df7b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#c53e37",
  "rgb": {
    "r": 197,
    "g": 62,
    "b": 55
  },
  "hsl": {
    "h": 2.958,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55866,
    "c": 0.1727,
    "h": 27.2
  },
  "luminance": 0.15591
}

Semantic roles & 50–950 ramp

primary

#C53E37

secondary

#8BC9CD

accent

#D8E048

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C53E37

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

Preview Lab → · Contrast checker → · Palette generator →