#CA3943#CA3943

#CA3943 is a mid, vivid red. Relative luminance 0.159; OKLCH L 56.4% C 0.181 H 21.6°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#CA3943
RGB	rgb(202, 57, 67)
HSL	hsl(356, 58%, 51%)
HSV	hsv(356, 72%, 79%)
CMYK	cmyk(0%, 71.8%, 66.8%, 20.8%)
CIE-LAB	lab(46.83, 57.19, 28.35)
CIE-LCH	lch(46.83, 63.83, 26.37°)
OKLab	oklab(56.38% 0.1684 0.0667)
OKLCH	oklch(56.38% 0.181 21.6)
XYZ	xyz(26.8363, 15.8920, 6.9635)
Luminance	0.1589 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3943 #39CAC0

analogous

#CA398B #CA3943 #CA7739

triadic

#CA3943 #43CA39 #3943CA

tetradic

#CA3943 #8BCA39 #39CAC0 #7739CA

square

#CA3943 #8BCA39 #39CAC0 #7739CA

split-complementary

#CA3943 #39CA77 #398BCA

monochromatic

#6C1D22 #9C2A32 #CA3943 #D76971 #E49A9F

Accessibility & contrast

On white

5.03

#CA3943 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#CA3943 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3943

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3943	#FFFFFF	#000000	##FFFFFF
##CA3943	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625B42

Deuteranopia (green-blind)

#867A3F

Tritanopia (blue-blind)

#DE003E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #ca3943;
/* rgb */ color: rgb(202, 57, 67);
/* oklch */ color: oklch(56.4% 0.181 21.6);

Tailwind

colors: {
  custom: {
    50: '#e27a77',
    500: '#ca3943',
    950: '#000000',
  },
}

SCSS

$custom: #ca3943;
$custom-light: #e27a77;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3943",
  "rgb": {
    "r": 202,
    "g": 57,
    "b": 67
  },
  "hsl": {
    "h": 355.862,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56382,
    "c": 0.18115,
    "h": 21.6
  },
  "luminance": 0.15888
}

Semantic roles & 50–950 ramp

primary

#CA3943

secondary

#8FD0CB

accent

#E1D647

background

#FFF7F7

surface

#FEEEED

border

#D6C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CA3943

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

Preview Lab → · Contrast checker → · Palette generator →