#C54037#C54037

#C54037 is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.1% C 0.171 H 27.8°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#C54037
RGB	rgb(197, 64, 55)
HSL	hsl(4, 56%, 49%)
HSV	hsv(4, 72%, 77%)
CMYK	cmyk(0%, 67.5%, 72.1%, 22.7%)
CIE-LAB	lab(46.73, 52.30, 35.04)
CIE-LCH	lch(46.73, 62.95, 33.82°)
OKLab	oklab(56.09% 0.1511 0.0797)
OKLCH	oklch(56.09% 0.171 27.8)
XYZ	xyz(25.5517, 15.8167, 5.3212)
Luminance	0.1581 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C54037 #37BCC5

analogous

#C53775 #C54037 #C58737

triadic

#C54037 #37C540 #4037C5

tetradic

#C54037 #75C537 #37BCC5 #8737C5

square

#C54037 #75C537 #37BCC5 #8737C5

split-complementary

#C54037 #37C587 #3775C5

monochromatic

#65211C #95302A #C54037 #D46C65 #E19A95

Accessibility & contrast

On white

5.04

#C54037 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#C54037 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C54037

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C54037	#FFFFFF	#000000	##FFFFFF
##C54037	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C35

Deuteranopia (green-blind)

#877933

Tritanopia (blue-blind)

#D8193F

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c54037;
/* rgb */ color: rgb(197, 64, 55);
/* oklch */ color: oklch(56.1% 0.171 27.8);

Tailwind

colors: {
  custom: {
    50: '#df7c6e',
    500: '#c54037',
    950: '#000000',
  },
}

SCSS

$custom: #c54037;
$custom-light: #df7c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#c54037",
  "rgb": {
    "r": 197,
    "g": 64,
    "b": 55
  },
  "hsl": {
    "h": 3.803,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.56087,
    "c": 0.17081,
    "h": 27.8
  },
  "luminance": 0.15813
}

Semantic roles & 50–950 ramp

primary

#C54037

secondary

#8BC9CD

accent

#D6E048

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C54037

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

Preview Lab → · Contrast checker → · Palette generator →