#CA182F#CA182F

#CA182F is a mid, highly saturated red. Relative luminance 0.134; OKLCH L 53.7% C 0.206 H 22.8°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#CA182F
RGB	rgb(202, 24, 47)
HSL	hsl(352, 79%, 44%)
HSV	hsv(352, 88%, 79%)
CMYK	cmyk(0%, 88.1%, 76.7%, 20.8%)
CIE-LAB	lab(43.39, 65.23, 36.17)
CIE-LCH	lch(43.39, 74.59, 29.01°)
OKLab	oklab(53.74% 0.1897 0.0799)
OKLCH	oklch(53.74% 0.206 22.8)
XYZ	xyz(25.2000, 13.4193, 3.9521)
Luminance	0.1341 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA182F #18CAB3

analogous

#CA1888 #CA182F #CA5A18

triadic

#CA182F #2FCA18 #182FCA

tetradic

#CA182F #88CA18 #18CAB3 #5A18CA

square

#CA182F #88CA18 #18CAB3 #5A18CA

split-complementary

#CA182F #18CA5A #1888CA

monochromatic

#5D0B16 #931222 #CA182F #E7384F #EE6F7F

Accessibility & contrast

On white

5.70

#CA182F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#CA182F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA182F

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA182F	#FFFFFF	#000000	##FFFFFF
##CA182F	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F2E

Deuteranopia (green-blind)

#817328

Tritanopia (blue-blind)

#DF0024

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #ca182f;
/* rgb */ color: rgb(202, 24, 47);
/* oklch */ color: oklch(53.7% 0.206 22.8);

Tailwind

colors: {
  custom: {
    50: '#e46d68',
    500: '#ca182f',
    950: '#000000',
  },
}

SCSS

$custom: #ca182f;
$custom-light: #e46d68;
$custom-dark: #000000;

JSON

{
  "hex": "#ca182f",
  "rgb": {
    "r": 202,
    "g": 24,
    "b": 47
  },
  "hsl": {
    "h": 352.247,
    "s": 78.761,
    "l": 44.314
  },
  "oklch": {
    "l": 0.53739,
    "c": 0.20584,
    "h": 22.8
  },
  "luminance": 0.13415
}

Semantic roles & 50–950 ramp

primary

#CA182F

secondary

#6AD4C6

accent

#F5DC33

background

#FFF7F6

surface

#FFEDEB

border

#D7C8C6

text

#180806

muted

#867B7A

Preview Lab

Preview with #CA182F

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

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