#C5372A#C5372A

#C5372A is a mid, vivid red. Relative luminance 0.148; OKLCH L 55.0% C 0.181 H 29.4°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#C5372A
RGB	rgb(197, 55, 42)
HSL	hsl(5, 65%, 47%)
HSV	hsv(5, 79%, 77%)
CMYK	cmyk(0%, 72.1%, 78.7%, 22.7%)
CIE-LAB	lab(45.32, 55.24, 40.74)
CIE-LCH	lch(45.32, 68.64, 36.41°)
OKLab	oklab(54.98% 0.1577 0.0888)
OKLCH	oklch(54.98% 0.181 29.4)
XYZ	xyz(24.8130, 14.7737, 3.7351)
Luminance	0.1477 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5372A #2AB8C5

analogous

#C52A6B #C5372A #C5852A

triadic

#C5372A #2AC537 #372AC5

tetradic

#C5372A #6BC52A #2AB8C5 #852AC5

square

#C5372A #6BC52A #2AB8C5 #852AC5

split-complementary

#C5372A #2AC585 #2A6BC5

monochromatic

#601B14 #93291F #C5372A #DA5D52 #E58D85

Accessibility & contrast

On white

5.31

#C5372A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#C5372A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C5372A

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5372A	#FFFFFF	#000000	##FFFFFF
##C5372A	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615727

Deuteranopia (green-blind)

#857724

Tritanopia (blue-blind)

#D90035

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c5372a;
/* rgb */ color: rgb(197, 55, 42);
/* oklch */ color: oklch(55.0% 0.181 29.4);

Tailwind

colors: {
  custom: {
    50: '#e07865',
    500: '#c5372a',
    950: '#000000',
  },
}

SCSS

$custom: #c5372a;
$custom-light: #e07865;
$custom-dark: #000000;

JSON

{
  "hex": "#c5372a",
  "rgb": {
    "r": 197,
    "g": 55,
    "b": 42
  },
  "hsl": {
    "h": 5.032,
    "s": 64.854,
    "l": 46.863
  },
  "oklch": {
    "l": 0.54985,
    "c": 0.18096,
    "h": 29.4
  },
  "luminance": 0.1477
}

Semantic roles & 50–950 ramp

primary

#C5372A

secondary

#7DC7CE

accent

#DAE840

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170905

muted

#857B7A

Preview Lab

Preview with #C5372A

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

Preview Lab → · Contrast checker → · Palette generator →