#C74037#C74037

#C74037 is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.4% C 0.173 H 27.8°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#C74037
RGB	rgb(199, 64, 55)
HSL	hsl(4, 57%, 50%)
HSV	hsv(4, 72%, 78%)
CMYK	cmyk(0%, 67.8%, 72.4%, 22%)
CIE-LAB	lab(47.09, 52.96, 35.54)
CIE-LCH	lch(47.09, 63.78, 33.87°)
OKLab	oklab(56.42% 0.153 0.0806)
OKLCH	oklch(56.42% 0.173 27.8)
XYZ	xyz(26.0790, 16.0886, 5.3459)
Luminance	0.1608 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C74037 #37BEC7

analogous

#C73776 #C74037 #C78837

triadic

#C74037 #37C740 #4037C7

tetradic

#C74037 #76C737 #37BEC7 #8837C7

square

#C74037 #76C737 #37BEC7 #8837C7

split-complementary

#C74037 #37C788 #3776C7

monochromatic

#67211C #97312A #C74037 #D56D66 #E29B96

Accessibility & contrast

On white

4.98

#C74037 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#C74037 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C74037

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C74037	#FFFFFF	#000000	##FFFFFF
##C74037	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D35

Deuteranopia (green-blind)

#887A32

Tritanopia (blue-blind)

#DB173F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #c74037;
/* rgb */ color: rgb(199, 64, 55);
/* oklch */ color: oklch(56.4% 0.173 27.8);

Tailwind

colors: {
  custom: {
    50: '#e07c6e',
    500: '#c74037',
    950: '#000000',
  },
}

SCSS

$custom: #c74037;
$custom-light: #e07c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#c74037",
  "rgb": {
    "r": 199,
    "g": 64,
    "b": 55
  },
  "hsl": {
    "h": 3.75,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.56421,
    "c": 0.17291,
    "h": 27.8
  },
  "luminance": 0.16085
}

Semantic roles & 50–950 ramp

primary

#C74037

secondary

#8CC9CD

accent

#D6E048

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C74037

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

Preview Lab → · Contrast checker → · Palette generator →