#CA3742#CA3742

#CA3742 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.2% C 0.183 H 21.5°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#CA3742
RGB	rgb(202, 55, 66)
HSL	hsl(356, 58%, 50%)
HSV	hsv(356, 73%, 79%)
CMYK	cmyk(0%, 72.8%, 67.3%, 20.8%)
CIE-LAB	lab(46.56, 57.85, 28.61)
CIE-LCH	lch(46.56, 64.53, 26.32°)
OKLab	oklab(56.18% 0.1703 0.0671)
OKLCH	oklch(56.18% 0.183 21.5)
XYZ	xyz(26.7096, 15.6863, 6.7745)
Luminance	0.1568 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3742 #37CABF

analogous

#CA378C #CA3742 #CA7537

triadic

#CA3742 #42CA37 #3742CA

tetradic

#CA3742 #8CCA37 #37CABF #7537CA

square

#CA3742 #8CCA37 #37CABF #7537CA

split-complementary

#CA3742 #37CA75 #378CCA

monochromatic

#6A1C22 #9B2932 #CA3742 #D76770 #E4989D

Accessibility & contrast

On white

5.08

#CA3742 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#CA3742 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3742

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3742	#FFFFFF	#000000	##FFFFFF
##CA3742	1.00	5.08	4.14	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615A41

Deuteranopia (green-blind)

#867A3E

Tritanopia (blue-blind)

#DE003C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ca3742;
/* rgb */ color: rgb(202, 55, 66);
/* oklch */ color: oklch(56.2% 0.183 21.5);

Tailwind

colors: {
  custom: {
    50: '#e27976',
    500: '#ca3742',
    950: '#000000',
  },
}

SCSS

$custom: #ca3742;
$custom-light: #e27976;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3742",
  "rgb": {
    "r": 202,
    "g": 55,
    "b": 66
  },
  "hsl": {
    "h": 355.51,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56175,
    "c": 0.18307,
    "h": 21.5
  },
  "luminance": 0.15682
}

Semantic roles & 50–950 ramp

primary

#CA3742

secondary

#8ECFCA

accent

#E1D646

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CA3742

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

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