#C5372C#C5372C

#C5372C is a mid, vivid red. Relative luminance 0.148; OKLCH L 55.0% C 0.181 H 28.8°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#C5372C
RGB	rgb(197, 55, 44)
HSL	hsl(4, 63%, 47%)
HSV	hsv(4, 78%, 77%)
CMYK	cmyk(0%, 72.1%, 77.7%, 22.7%)
CIE-LAB	lab(45.34, 55.31, 39.68)
CIE-LCH	lch(45.34, 68.07, 35.66°)
OKLab	oklab(55.01% 0.1583 0.0871)
OKLCH	oklch(55.01% 0.181 28.8)
XYZ	xyz(24.8497, 14.7884, 3.9284)
Luminance	0.1479 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5372C #2CBAC5

analogous

#C52C6D #C5372C #C5842C

triadic

#C5372C #2CC537 #372CC5

tetradic

#C5372C #6DC52C #2CBAC5 #842CC5

square

#C5372C #6DC52C #2CBAC5 #842CC5

split-complementary

#C5372C #2CC584 #2C6DC5

monochromatic

#611B16 #932921 #C5372C #D95F55 #E48E87

Accessibility & contrast

On white

5.31

#C5372C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#C5372C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C5372C

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5372C	#FFFFFF	#000000	##FFFFFF
##C5372C	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615829

Deuteranopia (green-blind)

#847726

Tritanopia (blue-blind)

#D90036

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c5372c;
/* rgb */ color: rgb(197, 55, 44);
/* oklch */ color: oklch(55.0% 0.181 28.8);

Tailwind

colors: {
  custom: {
    50: '#e07866',
    500: '#c5372c',
    950: '#000000',
  },
}

SCSS

$custom: #c5372c;
$custom-light: #e07866;
$custom-dark: #000000;

JSON

{
  "hex": "#c5372c",
  "rgb": {
    "r": 197,
    "g": 55,
    "b": 44
  },
  "hsl": {
    "h": 4.314,
    "s": 63.485,
    "l": 47.255
  },
  "oklch": {
    "l": 0.55006,
    "c": 0.18066,
    "h": 28.8
  },
  "luminance": 0.14785
}

Semantic roles & 50–950 ramp

primary

#C5372C

secondary

#7FC8CE

accent

#DBE741

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C5372C

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

Preview Lab → · Contrast checker → · Palette generator →