#CA372A#CA372A

#CA372A is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.9% C 0.186 H 29.3°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#CA372A
RGB	rgb(202, 55, 42)
HSL	hsl(5, 66%, 48%)
HSV	hsv(5, 79%, 79%)
CMYK	cmyk(0%, 72.8%, 79.2%, 20.8%)
CIE-LAB	lab(46.26, 56.82, 42.00)
CIE-LCH	lch(46.26, 70.66, 36.47°)
OKLab	oklab(55.85% 0.1621 0.0911)
OKLCH	oklch(55.85% 0.186 29.3)
XYZ	xyz(26.1443, 15.4602, 3.7975)
Luminance	0.1546 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA372A #2ABDCA

analogous

#CA2A6D #CA372A #CA872A

triadic

#CA372A #2ACA37 #372ACA

tetradic

#CA372A #6DCA2A #2ABDCA #872ACA

square

#CA372A #6DCA2A #2ABDCA #872ACA

split-complementary

#CA372A #2ACA87 #2A6DCA

monochromatic

#651B15 #97291F #CA372A #DC6055 #E69088

Accessibility & contrast

On white

5.13

#CA372A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#CA372A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA372A

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA372A	#FFFFFF	#000000	##FFFFFF
##CA372A	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635927

Deuteranopia (green-blind)

#887923

Tritanopia (blue-blind)

#DF0036

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ca372a;
/* rgb */ color: rgb(202, 55, 42);
/* oklch */ color: oklch(55.9% 0.186 29.3);

Tailwind

colors: {
  custom: {
    50: '#e47865',
    500: '#ca372a',
    950: '#000000',
  },
}

SCSS

$custom: #ca372a;
$custom-light: #e47865;
$custom-dark: #000000;

JSON

{
  "hex": "#ca372a",
  "rgb": {
    "r": 202,
    "g": 55,
    "b": 42
  },
  "hsl": {
    "h": 4.875,
    "s": 65.574,
    "l": 47.843
  },
  "oklch": {
    "l": 0.55853,
    "c": 0.18594,
    "h": 29.3
  },
  "luminance": 0.15456
}

Semantic roles & 50–950 ramp

primary

#CA372A

secondary

#80C9D0

accent

#DBE93F

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A06

muted

#867C7A

Preview Lab

Preview with #CA372A

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

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