#C6373A#C6373A

#C6373A is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.4% C 0.180 H 24.2°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#C6373A
RGB	rgb(198, 55, 58)
HSL	hsl(359, 57%, 50%)
HSV	hsv(359, 72%, 78%)
CMYK	cmyk(0%, 72.2%, 70.7%, 22.4%)
CIE-LAB	lab(45.70, 56.20, 32.14)
CIE-LCH	lch(45.70, 64.75, 29.76°)
OKLab	oklab(55.36% 0.1639 0.0738)
OKLCH	oklch(55.36% 0.18 24.2)
XYZ	xyz(25.4214, 15.0475, 5.5680)
Luminance	0.1504 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C6373A #37C6C3

analogous

#C63782 #C6373A #C67B37

triadic

#C6373A #3AC637 #373AC6

tetradic

#C6373A #82C637 #37C6C3 #7B37C6

square

#C6373A #82C637 #37C6C3 #7B37C6

split-complementary

#C6373A #37C67B #3782C6

monochromatic

#661C1E #962A2C #C6373A #D46668 #E29697

Accessibility & contrast

On white

5.24

#C6373A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#C6373A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C6373A

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C6373A	#FFFFFF	#000000	##FFFFFF
##C6373A	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605939

Deuteranopia (green-blind)

#847735

Tritanopia (blue-blind)

#DA003A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c6373a;
/* rgb */ color: rgb(198, 55, 58);
/* oklch */ color: oklch(55.4% 0.180 24.2);

Tailwind

colors: {
  custom: {
    50: '#e07870',
    500: '#c6373a',
    950: '#000000',
  },
}

SCSS

$custom: #c6373a;
$custom-light: #e07870;
$custom-dark: #000000;

JSON

{
  "hex": "#c6373a",
  "rgb": {
    "r": 198,
    "g": 55,
    "b": 58
  },
  "hsl": {
    "h": 358.741,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5536,
    "c": 0.1798,
    "h": 24.2
  },
  "luminance": 0.15044
}

Semantic roles & 50–950 ramp

primary

#C6373A

secondary

#8CCDCC

accent

#E0DD48

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C6373A

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

Preview Lab → · Contrast checker → · Palette generator →