#C55039#C55039

#C55039 is a mid, vivid red. Relative luminance 0.179; OKLCH L 58.1% C 0.155 H 33.0°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#C55039
RGB	rgb(197, 80, 57)
HSL	hsl(10, 55%, 50%)
HSV	hsv(10, 71%, 77%)
CMYK	cmyk(0%, 59.4%, 71.1%, 22.7%)
CIE-LAB	lab(49.38, 45.38, 36.94)
CIE-LCH	lch(49.38, 58.52, 39.15°)
OKLab	oklab(58.09% 0.1299 0.0842)
OKLCH	oklch(58.09% 0.155 33)
XYZ	xyz(26.6358, 17.9066, 5.9238)
Luminance	0.1790 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C55039 #39AEC5

analogous

#C53968 #C55039 #C59639

triadic

#C55039 #39C550 #5039C5

tetradic

#C55039 #68C539 #39AEC5 #9639C5

square

#C55039 #68C539 #39AEC5 #9639C5

split-complementary

#C55039 #39C596 #3968C5

monochromatic

#66291E #963D2B #C55039 #D37A68 #E1A397

Accessibility & contrast

On white

4.58

#C55039 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#C55039 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C55039

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C55039	#FFFFFF	#000000	##000000
##C55039	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#706536

Deuteranopia (green-blind)

#8D7F36

Tritanopia (blue-blind)

#D8364B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #c55039;
/* rgb */ color: rgb(197, 80, 57);
/* oklch */ color: oklch(58.1% 0.155 33.0);

Tailwind

colors: {
  custom: {
    50: '#de8570',
    500: '#c55039',
    950: '#000000',
  },
}

SCSS

$custom: #c55039;
$custom-light: #de8570;
$custom-dark: #000000;

JSON

{
  "hex": "#c55039",
  "rgb": {
    "r": 197,
    "g": 80,
    "b": 57
  },
  "hsl": {
    "h": 9.857,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.58088,
    "c": 0.15477,
    "h": 33
  },
  "luminance": 0.17903
}

Semantic roles & 50–950 ramp

primary

#C55039

secondary

#8DC2CD

accent

#C6DE49

background

#FEF8F6

surface

#FDF0EC

border

#D5CBC7

text

#160B07

muted

#847C7A

Preview Lab

Preview with #C55039

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

Preview Lab → · Contrast checker → · Palette generator →