#CA372D#CA372D

#CA372D is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.9% C 0.186 H 28.5°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#CA372D
RGB	rgb(202, 55, 45)
HSL	hsl(4, 64%, 48%)
HSV	hsv(4, 78%, 79%)
CMYK	cmyk(0%, 72.8%, 77.7%, 20.8%)
CIE-LAB	lab(46.29, 56.92, 40.41)
CIE-LCH	lch(46.29, 69.81, 35.37°)
OKLab	oklab(55.89% 0.163 0.0886)
OKLCH	oklch(55.89% 0.186 28.5)
XYZ	xyz(26.2000, 15.4825, 4.0910)
Luminance	0.1548 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA372D #2DC0CA

analogous

#CA2D71 #CA372D #CA852D

triadic

#CA372D #2DCA37 #372DCA

tetradic

#CA372D #71CA2D #2DC0CA #852DCA

square

#CA372D #71CA2D #2DC0CA #852DCA

split-complementary

#CA372D #2DCA85 #2D71CA

monochromatic

#661C17 #982922 #CA372D #DA625A #E5928C

Accessibility & contrast

On white

5.13

#CA372D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#CA372D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA372D

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA372D	#FFFFFF	#000000	##FFFFFF
##CA372D	1.00	5.13	4.10	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63592A

Deuteranopia (green-blind)

#877927

Tritanopia (blue-blind)

#DE0036

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ca372d;
/* rgb */ color: rgb(202, 55, 45);
/* oklch */ color: oklch(55.9% 0.186 28.5);

Tailwind

colors: {
  custom: {
    50: '#e37867',
    500: '#ca372d',
    950: '#000000',
  },
}

SCSS

$custom: #ca372d;
$custom-light: #e37867;
$custom-dark: #000000;

JSON

{
  "hex": "#ca372d",
  "rgb": {
    "r": 202,
    "g": 55,
    "b": 45
  },
  "hsl": {
    "h": 3.822,
    "s": 63.563,
    "l": 48.431
  },
  "oklch": {
    "l": 0.55885,
    "c": 0.18551,
    "h": 28.5
  },
  "luminance": 0.15478
}

Semantic roles & 50–950 ramp

primary

#CA372D

secondary

#83CBCF

accent

#DCE741

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #CA372D

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

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