#C53743#C53743

#C53743 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.3% C 0.178 H 20.8°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#C53743
RGB	rgb(197, 55, 67)
HSL	hsl(355, 56%, 49%)
HSV	hsv(355, 72%, 77%)
CMYK	cmyk(0%, 72.1%, 66%, 22.7%)
CIE-LAB	lab(45.65, 56.36, 26.68)
CIE-LCH	lch(45.65, 62.35, 25.33°)
OKLab	oklab(55.33% 0.1664 0.0631)
OKLCH	oklch(55.33% 0.178 20.8)
XYZ	xyz(25.4080, 15.0117, 6.8688)
Luminance	0.1501 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53743 #37C5B9

analogous

#C5378A #C53743 #C57237

triadic

#C53743 #43C537 #3743C5

tetradic

#C53743 #8AC537 #37C5B9 #7237C5

square

#C53743 #8AC537 #37C5B9 #7237C5

split-complementary

#C53743 #37C572 #378AC5

monochromatic

#651C22 #952A33 #C53743 #D4656F #E1959B

Accessibility & contrast

On white

5.25

#C53743 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#C53743 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53743

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53743	#FFFFFF	#000000	##FFFFFF
##C53743	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5942

Deuteranopia (green-blind)

#83773F

Tritanopia (blue-blind)

#D8003D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c53743;
/* rgb */ color: rgb(197, 55, 67);
/* oklch */ color: oklch(55.3% 0.178 20.8);

Tailwind

colors: {
  custom: {
    50: '#de7877',
    500: '#c53743',
    950: '#000000',
  },
}

SCSS

$custom: #c53743;
$custom-light: #de7877;
$custom-dark: #000000;

JSON

{
  "hex": "#c53743",
  "rgb": {
    "r": 197,
    "g": 55,
    "b": 67
  },
  "hsl": {
    "h": 354.93,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55334,
    "c": 0.178,
    "h": 20.8
  },
  "luminance": 0.15008
}

Semantic roles & 50–950 ramp

primary

#C53743

secondary

#8BCDC7

accent

#E0D348

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C53743

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

Preview Lab → · Contrast checker → · Palette generator →