#C53B37#C53B37

#C53B37 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.5% C 0.176 H 26.3°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#C53B37
RGB	rgb(197, 59, 55)
HSL	hsl(2, 56%, 49%)
HSV	hsv(2, 72%, 77%)
CMYK	cmyk(0%, 70.1%, 72.1%, 22.7%)
CIE-LAB	lab(46.01, 54.27, 34.21)
CIE-LCH	lch(46.01, 64.15, 32.23°)
OKLab	oklab(55.55% 0.1573 0.0778)
OKLCH	oklch(55.55% 0.176 26.3)
XYZ	xyz(25.2823, 15.2778, 5.2314)
Luminance	0.1527 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53B37 #37C1C5

analogous

#C5377A #C53B37 #C58237

triadic

#C53B37 #37C53B #3B37C5

tetradic

#C53B37 #7AC537 #37C1C5 #8237C5

square

#C53B37 #7AC537 #37C1C5 #8237C5

split-complementary

#C53B37 #37C582 #377AC5

monochromatic

#651E1C #952D2A #C53B37 #D46865 #E19795

Accessibility & contrast

On white

5.18

#C53B37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#C53B37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53B37

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53B37	#FFFFFF	#000000	##FFFFFF
##C53B37	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625A35

Deuteranopia (green-blind)

#857832

Tritanopia (blue-blind)

#D9083C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c53b37;
/* rgb */ color: rgb(197, 59, 55);
/* oklch */ color: oklch(55.5% 0.176 26.3);

Tailwind

colors: {
  custom: {
    50: '#df7a6e',
    500: '#c53b37',
    950: '#000000',
  },
}

SCSS

$custom: #c53b37;
$custom-light: #df7a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#c53b37",
  "rgb": {
    "r": 197,
    "g": 59,
    "b": 55
  },
  "hsl": {
    "h": 1.69,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55547,
    "c": 0.17551,
    "h": 26.3
  },
  "luminance": 0.15274
}

Semantic roles & 50–950 ramp

primary

#C53B37

secondary

#8BCBCD

accent

#DBE048

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C53B37

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

Preview Lab → · Contrast checker → · Palette generator →