#CA423B#CA423B

#CA423B is a mid, vivid red. Relative luminance 0.168; OKLCH L 57.2% C 0.174 H 27.0°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#CA423B
RGB	rgb(202, 66, 59)
HSL	hsl(3, 57%, 51%)
HSV	hsv(3, 71%, 79%)
CMYK	cmyk(0%, 67.3%, 70.8%, 20.8%)
CIE-LAB	lab(47.97, 53.34, 34.41)
CIE-LCH	lch(47.97, 63.48, 32.83°)
OKLab	oklab(57.2% 0.1546 0.0788)
OKLCH	oklch(57.2% 0.174 27)
XYZ	xyz(27.0977, 16.7727, 5.9474)
Luminance	0.1677 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA423B #3BC3CA

analogous

#CA3B7B #CA423B #CA893B

triadic

#CA423B #3BCA42 #423BCA

tetradic

#CA423B #7BCA3B #3BC3CA #893BCA

square

#CA423B #7BCA3B #3BC3CA #893BCA

split-complementary

#CA423B #3BCA89 #3B7BCA

monochromatic

#6D211E #9D302B #CA423B #D7706B #E49F9B

Accessibility & contrast

On white

4.82

#CA423B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#CA423B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA423B

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA423B	#FFFFFF	#000000	##FFFFFF
##CA423B	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685F39

Deuteranopia (green-blind)

#8A7D37

Tritanopia (blue-blind)

#DE1B42

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #ca423b;
/* rgb */ color: rgb(202, 66, 59);
/* oklch */ color: oklch(57.2% 0.174 27.0);

Tailwind

colors: {
  custom: {
    50: '#e27e71',
    500: '#ca423b',
    950: '#000000',
  },
}

SCSS

$custom: #ca423b;
$custom-light: #e27e71;
$custom-dark: #000000;

JSON

{
  "hex": "#ca423b",
  "rgb": {
    "r": 202,
    "g": 66,
    "b": 59
  },
  "hsl": {
    "h": 2.937,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.57197,
    "c": 0.17352,
    "h": 27
  },
  "luminance": 0.16769
}

Semantic roles & 50–950 ramp

primary

#CA423B

secondary

#91CDD0

accent

#D9E147

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CA423B

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

Preview Lab → · Contrast checker → · Palette generator →