#C4373F#C4373F

#C4373F is a mid, vivid red. Relative luminance 0.148; OKLCH L 55.1% C 0.177 H 22.3°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#C4373F
RGB	rgb(196, 55, 63)
HSL	hsl(357, 56%, 49%)
HSV	hsv(357, 72%, 77%)
CMYK	cmyk(0%, 71.9%, 67.9%, 23.1%)
CIE-LAB	lab(45.40, 55.83, 28.73)
CIE-LCH	lch(45.40, 62.79, 27.23°)
OKLab	oklab(55.09% 0.1641 0.0672)
OKLCH	oklch(55.09% 0.177 22.3)
XYZ	xyz(25.0311, 14.8307, 6.2463)
Luminance	0.1483 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4373F #37C4BC

analogous

#C43786 #C4373F #C47637

triadic

#C4373F #3FC437 #373FC4

tetradic

#C4373F #86C437 #37C4BC #7637C4

square

#C4373F #86C437 #37C4BC #7637C4

split-complementary

#C4373F #37C476 #3786C4

monochromatic

#641C20 #942A30 #C4373F #D4656B #E19499

Accessibility & contrast

On white

5.30

#C4373F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#C4373F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C4373F

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4373F	#FFFFFF	#000000	##FFFFFF
##C4373F	1.00	5.30	3.97	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F583E

Deuteranopia (green-blind)

#82763B

Tritanopia (blue-blind)

#D7003B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c4373f;
/* rgb */ color: rgb(196, 55, 63);
/* oklch */ color: oklch(55.1% 0.177 22.3);

Tailwind

colors: {
  custom: {
    50: '#de7874',
    500: '#c4373f',
    950: '#000000',
  },
}

SCSS

$custom: #c4373f;
$custom-light: #de7874;
$custom-dark: #000000;

JSON

{
  "hex": "#c4373f",
  "rgb": {
    "r": 196,
    "g": 55,
    "b": 63
  },
  "hsl": {
    "h": 356.596,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55094,
    "c": 0.17728,
    "h": 22.3
  },
  "luminance": 0.14827
}

Semantic roles & 50–950 ramp

primary

#C4373F

secondary

#8BCCC9

accent

#DFD748

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C4373F

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

Preview Lab → · Contrast checker → · Palette generator →