#C53437#C53437

#C53437 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.9% C 0.182 H 24.5°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#C53437
RGB	rgb(197, 52, 55)
HSL	hsl(359, 58%, 49%)
HSV	hsv(359, 74%, 77%)
CMYK	cmyk(0%, 73.6%, 72.1%, 22.7%)
CIE-LAB	lab(45.09, 56.81, 33.14)
CIE-LCH	lch(45.09, 65.77, 30.26°)
OKLab	oklab(54.86% 0.1654 0.0755)
OKLCH	oklch(54.86% 0.182 24.5)
XYZ	xyz(24.9464, 14.6059, 5.1194)
Luminance	0.1460 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53437 #34C5C2

analogous

#C53480 #C53437 #C57A34

triadic

#C53437 #37C534 #3437C5

tetradic

#C53437 #80C534 #34C5C2 #7A34C5

square

#C53437 #80C534 #34C5C2 #7A34C5

split-complementary

#C53437 #34C57A #3480C5

monochromatic

#641A1C #952729 #C53437 #D56163 #E29193

Accessibility & contrast

On white

5.36

#C53437 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#C53437 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53437

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53437	#FFFFFF	#000000	##FFFFFF
##C53437	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5736

Deuteranopia (green-blind)

#837632

Tritanopia (blue-blind)

#D90037

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c53437;
/* rgb */ color: rgb(197, 52, 55);
/* oklch */ color: oklch(54.9% 0.182 24.5);

Tailwind

colors: {
  custom: {
    50: '#df766e',
    500: '#c53437',
    950: '#000000',
  },
}

SCSS

$custom: #c53437;
$custom-light: #df766e;
$custom-dark: #000000;

JSON

{
  "hex": "#c53437",
  "rgb": {
    "r": 197,
    "g": 52,
    "b": 55
  },
  "hsl": {
    "h": 358.759,
    "s": 58.233,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54859,
    "c": 0.18177,
    "h": 24.5
  },
  "luminance": 0.14602
}

Semantic roles & 50–950 ramp

primary

#C53437

secondary

#88CDCB

accent

#E1DE46

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170907

muted

#857B7A

Preview Lab

Preview with #C53437

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

Preview Lab → · Contrast checker → · Palette generator →