#C6373B#C6373B

#C6373B is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.4% C 0.180 H 23.9°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#C6373B
RGB	rgb(198, 55, 59)
HSL	hsl(358, 57%, 50%)
HSV	hsv(358, 72%, 78%)
CMYK	cmyk(0%, 72.2%, 70.2%, 22.4%)
CIE-LAB	lab(45.71, 56.25, 31.57)
CIE-LCH	lch(45.71, 64.51, 29.30°)
OKLab	oklab(55.38% 0.1643 0.0727)
OKLCH	oklch(55.38% 0.18 23.9)
XYZ	xyz(25.4471, 15.0577, 5.7033)
Luminance	0.1505 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C6373B #37C6C2

analogous

#C63782 #C6373B #C67B37

triadic

#C6373B #3BC637 #373BC6

tetradic

#C6373B #82C637 #37C6C2 #7B37C6

square

#C6373B #82C637 #37C6C2 #7B37C6

split-complementary

#C6373B #37C67B #3782C6

monochromatic

#661C1E #962A2D #C6373B #D46669 #E29698

Accessibility & contrast

On white

5.24

#C6373B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#C6373B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C6373B

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C6373B	#FFFFFF	#000000	##FFFFFF
##C6373B	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)

#60593A

Deuteranopia (green-blind)

#847736

Tritanopia (blue-blind)

#DA003A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c6373b;
/* rgb */ color: rgb(198, 55, 59);
/* oklch */ color: oklch(55.4% 0.180 23.9);

Tailwind

colors: {
  custom: {
    50: '#e07871',
    500: '#c6373b',
    950: '#000000',
  },
}

SCSS

$custom: #c6373b;
$custom-light: #e07871;
$custom-dark: #000000;

JSON

{
  "hex": "#c6373b",
  "rgb": {
    "r": 198,
    "g": 55,
    "b": 59
  },
  "hsl": {
    "h": 358.322,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55375,
    "c": 0.17968,
    "h": 23.9
  },
  "luminance": 0.15054
}

Semantic roles & 50–950 ramp

primary

#C6373B

secondary

#8CCDCB

accent

#E0DC48

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C6373B

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

Preview Lab → · Contrast checker → · Palette generator →