#C4374B#C4374B

#C4374B is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.3% C 0.177 H 17.3°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#C4374B
RGB	rgb(196, 55, 75)
HSL	hsl(351, 56%, 49%)
HSV	hsv(351, 72%, 77%)
CMYK	cmyk(0%, 71.9%, 61.7%, 23.1%)
CIE-LAB	lab(45.61, 56.53, 21.73)
CIE-LCH	lch(45.61, 60.56, 21.03°)
OKLab	oklab(55.31% 0.1687 0.0527)
OKLCH	oklch(55.31% 0.177 17.3)
XYZ	xyz(25.4037, 14.9798, 8.2090)
Luminance	0.1498 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4374B #37C4B0

analogous

#C43792 #C4374B #C46937

triadic

#C4374B #4BC437 #374BC4

tetradic

#C4374B #92C437 #37C4B0 #6937C4

square

#C4374B #92C437 #37C4B0 #6937C4

split-complementary

#C4374B #37C469 #3792C4

monochromatic

#641C26 #942A39 #C4374B #D46574 #E1949F

Accessibility & contrast

On white

5.26

#C4374B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#C4374B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C4374B

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4374B	#FFFFFF	#000000	##FFFFFF
##C4374B	1.00	5.26	4.00	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D594B

Deuteranopia (green-blind)

#817747

Tritanopia (blue-blind)

#D7093F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c4374b;
/* rgb */ color: rgb(196, 55, 75);
/* oklch */ color: oklch(55.3% 0.177 17.3);

Tailwind

colors: {
  custom: {
    50: '#dd787d',
    500: '#c4374b',
    950: '#000000',
  },
}

SCSS

$custom: #c4374b;
$custom-light: #dd787d;
$custom-dark: #000000;

JSON

{
  "hex": "#c4374b",
  "rgb": {
    "r": 196,
    "g": 55,
    "b": 75
  },
  "hsl": {
    "h": 351.489,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55313,
    "c": 0.17671,
    "h": 17.3
  },
  "luminance": 0.14976
}

Semantic roles & 50–950 ramp

primary

#C4374B

secondary

#8BCCC3

accent

#DFCA48

background

#FEF7F7

surface

#FDEEEE

border

#D5C9C9

text

#160A09

muted

#847C7B

Preview Lab

Preview with #C4374B

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

Preview Lab → · Contrast checker → · Palette generator →