#CA372F#CA372F

#CA372F is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.9% C 0.185 H 27.9°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#CA372F
RGB	rgb(202, 55, 47)
HSL	hsl(3, 62%, 49%)
HSV	hsv(3, 77%, 79%)
CMYK	cmyk(0%, 72.8%, 76.7%, 20.8%)
CIE-LAB	lab(46.31, 56.99, 39.33)
CIE-LCH	lch(46.31, 69.25, 34.61°)
OKLab	oklab(55.91% 0.1636 0.0868)
OKLCH	oklch(55.91% 0.185 27.9)
XYZ	xyz(26.2395, 15.4982, 4.2986)
Luminance	0.1549 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA372F #2FC2CA

analogous

#CA2F75 #CA372F #CA852F

triadic

#CA372F #2FCA37 #372FCA

tetradic

#CA372F #75CA2F #2FC2CA #852FCA

square

#CA372F #75CA2F #2FC2CA #852FCA

split-complementary

#CA372F #2FCA85 #2F75CA

monochromatic

#671C18 #982923 #CA372F #D9635D #E5938F

Accessibility & contrast

On white

5.12

#CA372F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#CA372F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA372F

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA372F	#FFFFFF	#000000	##FFFFFF
##CA372F	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63592D

Deuteranopia (green-blind)

#877929

Tritanopia (blue-blind)

#DE0037

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ca372f;
/* rgb */ color: rgb(202, 55, 47);
/* oklch */ color: oklch(55.9% 0.185 27.9);

Tailwind

colors: {
  custom: {
    50: '#e37868',
    500: '#ca372f',
    950: '#000000',
  },
}

SCSS

$custom: #ca372f;
$custom-light: #e37868;
$custom-dark: #000000;

JSON

{
  "hex": "#ca372f",
  "rgb": {
    "r": 202,
    "g": 55,
    "b": 47
  },
  "hsl": {
    "h": 3.097,
    "s": 62.249,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55907,
    "c": 0.18522,
    "h": 27.9
  },
  "luminance": 0.15494
}

Semantic roles & 50–950 ramp

primary

#CA372F

secondary

#86CBCF

accent

#DDE542

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #CA372F

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

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