#CA3131#CA3131

#CA3131 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.4% C 0.190 H 26.0°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#CA3131
RGB	rgb(202, 49, 49)
HSL	hsl(0, 61%, 49%)
HSV	hsv(0, 76%, 79%)
CMYK	cmyk(0%, 75.7%, 75.7%, 20.8%)
CIE-LAB	lab(45.61, 59.09, 37.45)
CIE-LCH	lch(45.61, 69.95, 32.36°)
OKLab	oklab(55.39% 0.1707 0.0832)
OKLCH	oklch(55.39% 0.19 26)
XYZ	xyz(26.0129, 14.9790, 4.4267)
Luminance	0.1497 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA3131 #31CACA

analogous

#CA317E #CA3131 #CA7E31

triadic

#CA3131 #31CA31 #3131CA

tetradic

#CA3131 #7ECA31 #31CACA #7E31CA

square

#CA3131 #7ECA31 #31CACA #7E31CA

split-complementary

#CA3131 #31CA7E #317ECA

monochromatic

#671919 #992525 #CA3131 #D86060 #E49191

Accessibility & contrast

On white

5.26

#CA3131 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#CA3131 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA3131

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA3131	#FFFFFF	#000000	##FFFFFF
##CA3131	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60572F

Deuteranopia (green-blind)

#85782B

Tritanopia (blue-blind)

#DE0033

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #ca3131;
/* rgb */ color: rgb(202, 49, 49);
/* oklch */ color: oklch(55.4% 0.190 26.0);

Tailwind

colors: {
  custom: {
    50: '#e3766a',
    500: '#ca3131',
    950: '#000000',
  },
}

SCSS

$custom: #ca3131;
$custom-light: #e3766a;
$custom-dark: #000000;

JSON

{
  "hex": "#ca3131",
  "rgb": {
    "r": 202,
    "g": 49,
    "b": 49
  },
  "hsl": {
    "h": 0,
    "s": 60.956,
    "l": 49.216
  },
  "oklch": {
    "l": 0.5539,
    "c": 0.18986,
    "h": 26
  },
  "luminance": 0.14975
}

Semantic roles & 50–950 ramp

primary

#CA3131

secondary

#88CFCF

accent

#E4E444

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #CA3131

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

Preview Lab → · Contrast checker → · Palette generator →