#C55137#C55137

#C55137 is a mid, vivid red. Relative luminance 0.180; OKLCH L 58.2% C 0.154 H 34.1°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#C55137
RGB	rgb(197, 81, 55)
HSL	hsl(11, 56%, 49%)
HSV	hsv(11, 72%, 77%)
CMYK	cmyk(0%, 58.9%, 72.1%, 22.7%)
CIE-LAB	lab(49.54, 44.81, 38.22)
CIE-LCH	lch(49.54, 58.90, 40.46°)
OKLab	oklab(58.2% 0.1277 0.0866)
OKLCH	oklch(58.2% 0.154 34.1)
XYZ	xyz(26.6607, 18.0346, 5.6908)
Luminance	0.1803 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C55137 #37ABC5

analogous

#C53764 #C55137 #C59837

triadic

#C55137 #37C551 #5137C5

tetradic

#C55137 #64C537 #37ABC5 #9837C5

square

#C55137 #64C537 #37ABC5 #9837C5

split-complementary

#C55137 #37C598 #3764C5

monochromatic

#652A1C #953D2A #C55137 #D47965 #E1A395

Accessibility & contrast

On white

4.56

#C55137 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#C55137 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C55137

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C55137	#FFFFFF	#000000	##000000
##C55137	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#716634

Deuteranopia (green-blind)

#8D7F34

Tritanopia (blue-blind)

#D8374B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #c55137;
/* rgb */ color: rgb(197, 81, 55);
/* oklch */ color: oklch(58.2% 0.154 34.1);

Tailwind

colors: {
  custom: {
    50: '#de866f',
    500: '#c55137',
    950: '#000000',
  },
}

SCSS

$custom: #c55137;
$custom-light: #de866f;
$custom-dark: #000000;

JSON

{
  "hex": "#c55137",
  "rgb": {
    "r": 197,
    "g": 81,
    "b": 55
  },
  "hsl": {
    "h": 10.986,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.58198,
    "c": 0.15429,
    "h": 34.1
  },
  "luminance": 0.18031
}

Semantic roles & 50–950 ramp

primary

#C55137

secondary

#8BC1CD

accent

#C4E048

background

#FEF8F6

surface

#FDF0EC

border

#D5CBC7

text

#160B07

muted

#847C7A

Preview Lab

Preview with #C55137

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

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