#CA423A#CA423A

#CA423A is a mid, vivid red. Relative luminance 0.168; OKLCH L 57.2% C 0.174 H 27.4°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#CA423A
RGB	rgb(202, 66, 58)
HSL	hsl(3, 58%, 51%)
HSV	hsv(3, 71%, 79%)
CMYK	cmyk(0%, 67.3%, 71.3%, 20.8%)
CIE-LAB	lab(47.96, 53.29, 34.97)
CIE-LCH	lch(47.96, 63.74, 33.27°)
OKLab	oklab(57.18% 0.1542 0.0798)
OKLCH	oklch(57.18% 0.174 27.4)
XYZ	xyz(27.0720, 16.7624, 5.8121)
Luminance	0.1676 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA423A #3AC2CA

analogous

#CA3A7A #CA423A #CA8A3A

triadic

#CA423A #3ACA42 #423ACA

tetradic

#CA423A #7ACA3A #3AC2CA #8A3ACA

square

#CA423A #7ACA3A #3AC2CA #8A3ACA

split-complementary

#CA423A #3ACA8A #3A7ACA

monochromatic

#6C221D #9D312A #CA423A #D7706A #E49F9A

Accessibility & contrast

On white

4.83

#CA423A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#CA423A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA423A

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA423A	#FFFFFF	#000000	##FFFFFF
##CA423A	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685F38

Deuteranopia (green-blind)

#8A7D36

Tritanopia (blue-blind)

#DE1B41

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #ca423a;
/* rgb */ color: rgb(202, 66, 58);
/* oklch */ color: oklch(57.2% 0.174 27.4);

Tailwind

colors: {
  custom: {
    50: '#e27e70',
    500: '#ca423a',
    950: '#000000',
  },
}

SCSS

$custom: #ca423a;
$custom-light: #e27e70;
$custom-dark: #000000;

JSON

{
  "hex": "#ca423a",
  "rgb": {
    "r": 202,
    "g": 66,
    "b": 58
  },
  "hsl": {
    "h": 3.333,
    "s": 57.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.57183,
    "c": 0.17367,
    "h": 27.4
  },
  "luminance": 0.16758
}

Semantic roles & 50–950 ramp

primary

#CA423A

secondary

#90CCD0

accent

#D8E147

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CA423A

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

Preview Lab → · Contrast checker → · Palette generator →