#CA182B#CA182B

#CA182B is a mid, highly saturated red. Relative luminance 0.134; OKLCH L 53.7% C 0.206 H 23.9°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#CA182B
RGB	rgb(202, 24, 43)
HSL	hsl(354, 79%, 44%)
HSV	hsv(354, 88%, 79%)
CMYK	cmyk(0%, 88.1%, 78.7%, 20.8%)
CIE-LAB	lab(43.34, 65.10, 38.44)
CIE-LCH	lch(43.34, 75.60, 30.56°)
OKLab	oklab(53.69% 0.1884 0.0837)
OKLCH	oklch(53.69% 0.206 23.9)
XYZ	xyz(25.1230, 13.3884, 3.5465)
Luminance	0.1338 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA182B #18CAB7

analogous

#CA1884 #CA182B #CA5E18

triadic

#CA182B #2BCA18 #182BCA

tetradic

#CA182B #84CA18 #18CAB7 #5E18CA

square

#CA182B #84CA18 #18CAB7 #5E18CA

split-complementary

#CA182B #18CA5E #1884CA

monochromatic

#5D0B14 #93121F #CA182B #E7384B #EE6F7C

Accessibility & contrast

On white

5.71

#CA182B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#CA182B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA182B

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA182B	#FFFFFF	#000000	##FFFFFF
##CA182B	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F2A

Deuteranopia (green-blind)

#817323

Tritanopia (blue-blind)

#DF0023

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #ca182b;
/* rgb */ color: rgb(202, 24, 43);
/* oklch */ color: oklch(53.7% 0.206 23.9);

Tailwind

colors: {
  custom: {
    50: '#e46d65',
    500: '#ca182b',
    950: '#000000',
  },
}

SCSS

$custom: #ca182b;
$custom-light: #e46d65;
$custom-dark: #000000;

JSON

{
  "hex": "#ca182b",
  "rgb": {
    "r": 202,
    "g": 24,
    "b": 43
  },
  "hsl": {
    "h": 353.596,
    "s": 78.761,
    "l": 44.314
  },
  "oklch": {
    "l": 0.53691,
    "c": 0.20614,
    "h": 23.9
  },
  "luminance": 0.13384
}

Semantic roles & 50–950 ramp

primary

#CA182B

secondary

#6AD4C9

accent

#F5E033

background

#FFF7F6

surface

#FFEDEB

border

#D7C8C6

text

#180805

muted

#867B7A

Preview Lab

Preview with #CA182B

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

Preview Lab → · Contrast checker → · Palette generator →