#C53D37#C53D37

#C53D37 is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.8% C 0.174 H 26.9°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#C53D37
RGB	rgb(197, 61, 55)
HSL	hsl(3, 56%, 49%)
HSV	hsv(3, 72%, 77%)
CMYK	cmyk(0%, 69%, 72.1%, 22.7%)
CIE-LAB	lab(46.29, 53.49, 34.54)
CIE-LCH	lch(46.29, 63.67, 32.85°)
OKLab	oklab(55.76% 0.1549 0.0786)
OKLCH	oklch(55.76% 0.174 26.9)
XYZ	xyz(25.3871, 15.4874, 5.2663)
Luminance	0.1548 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53D37 #37BFC5

analogous

#C53778 #C53D37 #C58437

triadic

#C53D37 #37C53D #3D37C5

tetradic

#C53D37 #78C537 #37BFC5 #8437C5

square

#C53D37 #78C537 #37BFC5 #8437C5

split-complementary

#C53D37 #37C584 #3778C5

monochromatic

#651F1C #952E2A #C53D37 #D46A65 #E19895

Accessibility & contrast

On white

5.13

#C53D37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#C53D37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53D37

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53D37	#FFFFFF	#000000	##FFFFFF
##C53D37	1.00	5.13	4.10	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B35

Deuteranopia (green-blind)

#867932

Tritanopia (blue-blind)

#D9103D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c53d37;
/* rgb */ color: rgb(197, 61, 55);
/* oklch */ color: oklch(55.8% 0.174 26.9);

Tailwind

colors: {
  custom: {
    50: '#df7b6e',
    500: '#c53d37',
    950: '#000000',
  },
}

SCSS

$custom: #c53d37;
$custom-light: #df7b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#c53d37",
  "rgb": {
    "r": 197,
    "g": 61,
    "b": 55
  },
  "hsl": {
    "h": 2.535,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55758,
    "c": 0.17364,
    "h": 26.9
  },
  "luminance": 0.15484
}

Semantic roles & 50–950 ramp

primary

#C53D37

secondary

#8BCACD

accent

#D9E048

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C53D37

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

Preview Lab → · Contrast checker → · Palette generator →