#CA423F#CA423F

#CA423F is a mid, vivid red. Relative luminance 0.168; OKLCH L 57.3% C 0.173 H 25.5°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#CA423F
RGB	rgb(202, 66, 63)
HSL	hsl(1, 57%, 52%)
HSV	hsv(1, 69%, 79%)
CMYK	cmyk(0%, 67.3%, 68.8%, 20.8%)
CIE-LAB	lab(48.03, 53.54, 32.17)
CIE-LCH	lch(48.03, 62.46, 31.00°)
OKLab	oklab(57.26% 0.156 0.0745)
OKLCH	oklch(57.26% 0.173 25.5)
XYZ	xyz(27.2054, 16.8158, 6.5149)
Luminance	0.1681 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA423F #3FC7CA

analogous

#CA3F82 #CA423F #CA883F

triadic

#CA423F #3FCA42 #423FCA

tetradic

#CA423F #82CA3F #3FC7CA #883FCA

square

#CA423F #82CA3F #3FC7CA #883FCA

split-complementary

#CA423F #3FCA88 #3F82CA

monochromatic

#70211F #A02F2C #CA423F #D7716F #E4A09F

Accessibility & contrast

On white

4.81

#CA423F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#CA423F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA423F

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA423F	#FFFFFF	#000000	##FFFFFF
##CA423F	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685F3D

Deuteranopia (green-blind)

#8A7D3B

Tritanopia (blue-blind)

#DE1C43

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #ca423f;
/* rgb */ color: rgb(202, 66, 63);
/* oklch */ color: oklch(57.3% 0.173 25.5);

Tailwind

colors: {
  custom: {
    50: '#e27e74',
    500: '#ca423f',
    950: '#000000',
  },
}

SCSS

$custom: #ca423f;
$custom-light: #e27e74;
$custom-dark: #000000;

JSON

{
  "hex": "#ca423f",
  "rgb": {
    "r": 202,
    "g": 66,
    "b": 63
  },
  "hsl": {
    "h": 1.295,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57255,
    "c": 0.17293,
    "h": 25.5
  },
  "luminance": 0.16812
}

Semantic roles & 50–950 ramp

primary

#CA423F

secondary

#94D0D1

accent

#DDE048

background

#FFF8F7

surface

#FEEFED

border

#D6CAC8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CA423F

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

Preview Lab → · Contrast checker → · Palette generator →