#C6373F#C6373F

#C6373F is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.4% C 0.179 H 22.4°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#C6373F
RGB	rgb(198, 55, 63)
HSL	hsl(357, 57%, 50%)
HSV	hsv(357, 72%, 78%)
CMYK	cmyk(0%, 72.2%, 68.2%, 22.4%)
CIE-LAB	lab(45.77, 56.45, 29.27)
CIE-LCH	lch(45.77, 63.59, 27.40°)
OKLab	oklab(55.44% 0.1658 0.0683)
OKLCH	oklch(55.44% 0.179 22.4)
XYZ	xyz(25.5549, 15.1008, 6.2708)
Luminance	0.1510 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C6373F #37C6BE

analogous

#C63787 #C6373F #C67637

triadic

#C6373F #3FC637 #373FC6

tetradic

#C6373F #87C637 #37C6BE #7637C6

square

#C6373F #87C637 #37C6BE #7637C6

split-complementary

#C6373F #37C676 #3787C6

monochromatic

#661C21 #962A30 #C6373F #D4666C #E2969A

Accessibility & contrast

On white

5.22

#C6373F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#C6373F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C6373F

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C6373F	#FFFFFF	#000000	##FFFFFF
##C6373F	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60593E

Deuteranopia (green-blind)

#84783B

Tritanopia (blue-blind)

#D9003B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c6373f;
/* rgb */ color: rgb(198, 55, 63);
/* oklch */ color: oklch(55.4% 0.179 22.4);

Tailwind

colors: {
  custom: {
    50: '#df7874',
    500: '#c6373f',
    950: '#000000',
  },
}

SCSS

$custom: #c6373f;
$custom-light: #df7874;
$custom-dark: #000000;

JSON

{
  "hex": "#c6373f",
  "rgb": {
    "r": 198,
    "g": 55,
    "b": 63
  },
  "hsl": {
    "h": 356.643,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55438,
    "c": 0.1793,
    "h": 22.4
  },
  "luminance": 0.15097
}

Semantic roles & 50–950 ramp

primary

#C6373F

secondary

#8CCDC9

accent

#E0D748

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C6373F

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

Preview Lab → · Contrast checker → · Palette generator →