#C55037#C55037

#C55037 is a mid, vivid red. Relative luminance 0.179; OKLCH L 58.1% C 0.155 H 33.7°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#C55037
RGB	rgb(197, 80, 55)
HSL	hsl(11, 56%, 49%)
HSV	hsv(11, 72%, 77%)
CMYK	cmyk(0%, 59.4%, 72.1%, 22.7%)
CIE-LAB	lab(49.36, 45.28, 38.02)
CIE-LCH	lch(49.36, 59.12, 40.02°)
OKLab	oklab(58.06% 0.1292 0.0861)
OKLCH	oklch(58.06% 0.155 33.7)
XYZ	xyz(26.5869, 17.8871, 5.6662)
Luminance	0.1788 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C55037 #37ACC5

analogous

#C53765 #C55037 #C59737

triadic

#C55037 #37C550 #5037C5

tetradic

#C55037 #65C537 #37ACC5 #9737C5

square

#C55037 #65C537 #37ACC5 #9737C5

split-complementary

#C55037 #37C597 #3765C5

monochromatic

#65291C #953D2A #C55037 #D47965 #E1A295

Accessibility & contrast

On white

4.59

#C55037 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#C55037 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #C55037

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C55037	#FFFFFF	#000000	##FFFFFF
##C55037	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#706534

Deuteranopia (green-blind)

#8D7F34

Tritanopia (blue-blind)

#D8364B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #c55037;
/* rgb */ color: rgb(197, 80, 55);
/* oklch */ color: oklch(58.1% 0.155 33.7);

Tailwind

colors: {
  custom: {
    50: '#de856f',
    500: '#c55037',
    950: '#000000',
  },
}

SCSS

$custom: #c55037;
$custom-light: #de856f;
$custom-dark: #000000;

JSON

{
  "hex": "#c55037",
  "rgb": {
    "r": 197,
    "g": 80,
    "b": 55
  },
  "hsl": {
    "h": 10.563,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.58063,
    "c": 0.15526,
    "h": 33.7
  },
  "luminance": 0.17883
}

Semantic roles & 50–950 ramp

primary

#C55037

secondary

#8BC1CD

accent

#C5E048

background

#FEF8F6

surface

#FDF0EC

border

#D5CBC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #C55037

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

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