#CA373D#CA373D

#CA373D is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.1% C 0.183 H 23.3°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#CA373D
RGB	rgb(202, 55, 61)
HSL	hsl(358, 58%, 50%)
HSV	hsv(358, 73%, 79%)
CMYK	cmyk(0%, 72.8%, 69.8%, 20.8%)
CIE-LAB	lab(46.49, 57.59, 31.49)
CIE-LCH	lch(46.49, 65.64, 28.67°)
OKLab	oklab(56.09% 0.1685 0.0727)
OKLCH	oklch(56.09% 0.183 23.3)
XYZ	xyz(26.5686, 15.6299, 6.0319)
Luminance	0.1563 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA373D #37CAC4

analogous

#CA3786 #CA373D #CA7A37

triadic

#CA373D #3DCA37 #373DCA

tetradic

#CA373D #86CA37 #37CAC4 #7A37CA

square

#CA373D #86CA37 #37CAC4 #7A37CA

split-complementary

#CA373D #37CA7A #3786CA

monochromatic

#6A1C1F #9B292E #CA373D #D7676C #E4989B

Accessibility & contrast

On white

5.09

#CA373D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#CA373D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA373D

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA373D	#FFFFFF	#000000	##FFFFFF
##CA373D	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615A3C

Deuteranopia (green-blind)

#867A38

Tritanopia (blue-blind)

#DE003B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ca373d;
/* rgb */ color: rgb(202, 55, 61);
/* oklch */ color: oklch(56.1% 0.183 23.3);

Tailwind

colors: {
  custom: {
    50: '#e27972',
    500: '#ca373d',
    950: '#000000',
  },
}

SCSS

$custom: #ca373d;
$custom-light: #e27972;
$custom-dark: #000000;

JSON

{
  "hex": "#ca373d",
  "rgb": {
    "r": 202,
    "g": 55,
    "b": 61
  },
  "hsl": {
    "h": 357.551,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56095,
    "c": 0.18349,
    "h": 23.3
  },
  "luminance": 0.15626
}

Semantic roles & 50–950 ramp

primary

#CA373D

secondary

#8ECFCD

accent

#E1DB46

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CA373D

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

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