#C4373B#C4373B

#C4373B is a mid, vivid red. Relative luminance 0.148; OKLCH L 55.0% C 0.178 H 23.8°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#C4373B
RGB	rgb(196, 55, 59)
HSL	hsl(358, 56%, 49%)
HSV	hsv(358, 72%, 77%)
CMYK	cmyk(0%, 71.9%, 69.9%, 23.1%)
CIE-LAB	lab(45.34, 55.63, 31.04)
CIE-LCH	lch(45.34, 63.70, 29.16°)
OKLab	oklab(55.03% 0.1626 0.0717)
OKLCH	oklch(55.03% 0.178 23.8)
XYZ	xyz(24.9233, 14.7876, 5.6788)
Luminance	0.1478 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4373B #37C4C0

analogous

#C43782 #C4373B #C47A37

triadic

#C4373B #3BC437 #373BC4

tetradic

#C4373B #82C437 #37C4C0 #7A37C4

square

#C4373B #82C437 #37C4C0 #7A37C4

split-complementary

#C4373B #37C47A #3782C4

monochromatic

#641C1E #942A2D #C4373B #D46568 #E19497

Accessibility & contrast

On white

5.31

#C4373B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#C4373B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C4373B

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4373B	#FFFFFF	#000000	##FFFFFF
##C4373B	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)

#5F583A

Deuteranopia (green-blind)

#837636

Tritanopia (blue-blind)

#D7003A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c4373b;
/* rgb */ color: rgb(196, 55, 59);
/* oklch */ color: oklch(55.0% 0.178 23.8);

Tailwind

colors: {
  custom: {
    50: '#de7871',
    500: '#c4373b',
    950: '#000000',
  },
}

SCSS

$custom: #c4373b;
$custom-light: #de7871;
$custom-dark: #000000;

JSON

{
  "hex": "#c4373b",
  "rgb": {
    "r": 196,
    "g": 55,
    "b": 59
  },
  "hsl": {
    "h": 358.298,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55031,
    "c": 0.17767,
    "h": 23.8
  },
  "luminance": 0.14784
}

Semantic roles & 50–950 ramp

primary

#C4373B

secondary

#8BCCCA

accent

#DFDB48

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C4373B

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

Preview Lab → · Contrast checker → · Palette generator →