#C4374E#C4374E

#C4374E is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.4% C 0.177 H 16.0°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#C4374E
RGB	rgb(196, 55, 78)
HSL	hsl(350, 56%, 49%)
HSV	hsv(350, 72%, 77%)
CMYK	cmyk(0%, 71.9%, 60.2%, 23.1%)
CIE-LAB	lab(45.66, 56.72, 19.97)
CIE-LCH	lch(45.66, 60.14, 19.39°)
OKLab	oklab(55.37% 0.1699 0.0488)
OKLCH	oklch(55.37% 0.177 16)
XYZ	xyz(25.5088, 15.0218, 8.7625)
Luminance	0.1502 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4374E #37C4AD

analogous

#C43795 #C4374E #C46737

triadic

#C4374E #4EC437 #374EC4

tetradic

#C4374E #95C437 #37C4AD #6737C4

square

#C4374E #95C437 #37C4AD #6737C4

split-complementary

#C4374E #37C467 #3795C4

monochromatic

#641C28 #942A3B #C4374E #D46577 #E194A1

Accessibility & contrast

On white

5.25

#C4374E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#C4374E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C4374E

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4374E	#FFFFFF	#000000	##FFFFFF
##C4374E	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D594E

Deuteranopia (green-blind)

#81774A

Tritanopia (blue-blind)

#D70C41

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c4374e;
/* rgb */ color: rgb(196, 55, 78);
/* oklch */ color: oklch(55.4% 0.177 16.0);

Tailwind

colors: {
  custom: {
    50: '#dd787f',
    500: '#c4374e',
    950: '#000000',
  },
}

SCSS

$custom: #c4374e;
$custom-light: #dd787f;
$custom-dark: #000000;

JSON

{
  "hex": "#c4374e",
  "rgb": {
    "r": 196,
    "g": 55,
    "b": 78
  },
  "hsl": {
    "h": 350.213,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55374,
    "c": 0.17674,
    "h": 16
  },
  "luminance": 0.15018
}

Semantic roles & 50–950 ramp

primary

#C4374E

secondary

#8BCCC2

accent

#DFC748

background

#FEF7F7

surface

#FDEEEE

border

#D5C9C9

text

#160A0A

muted

#847C7C

Preview Lab

Preview with #C4374E

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

Preview Lab → · Contrast checker → · Palette generator →