#CF423A#CF423A

#CF423A is a mid, vivid red. Relative luminance 0.175; OKLCH L 58.0% C 0.179 H 27.4°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#CF423A
RGB	rgb(207, 66, 58)
HSL	hsl(3, 61%, 52%)
HSV	hsv(3, 72%, 81%)
CMYK	cmyk(0%, 68.1%, 72%, 18.8%)
CIE-LAB	lab(48.85, 54.93, 36.23)
CIE-LCH	lch(48.85, 65.80, 33.40°)
OKLab	oklab(58.01% 0.1588 0.0823)
OKLCH	oklch(58.01% 0.179 27.4)
XYZ	xyz(28.4472, 17.4715, 5.8766)
Luminance	0.1747 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CF423A #3AC7CF

analogous

#CF3A7D #CF423A #CF8C3A

triadic

#CF423A #3ACF42 #423ACF

tetradic

#CF423A #7DCF3A #3AC7CF #8C3ACF

square

#CF423A #7DCF3A #3AC7CF #8C3ACF

split-complementary

#CF423A #3ACF8C #3A7DCF

monochromatic

#73211C #A42F28 #CF423A #DB716B #E7A09C

Accessibility & contrast

On white

4.67

#CF423A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#CF423A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CF423A

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CF423A	#FFFFFF	#000000	##FFFFFF
##CF423A	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6138

Deuteranopia (green-blind)

#8D7F35

Tritanopia (blue-blind)

#E31641

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #cf423a;
/* rgb */ color: rgb(207, 66, 58);
/* oklch */ color: oklch(58.0% 0.179 27.4);

Tailwind

colors: {
  custom: {
    50: '#e67e71',
    500: '#cf423a',
    950: '#000000',
  },
}

SCSS

$custom: #cf423a;
$custom-light: #e67e71;
$custom-dark: #000000;

JSON

{
  "hex": "#cf423a",
  "rgb": {
    "r": 207,
    "g": 66,
    "b": 58
  },
  "hsl": {
    "h": 3.221,
    "s": 60.816,
    "l": 51.961
  },
  "oklch": {
    "l": 0.58014,
    "c": 0.17889,
    "h": 27.4
  },
  "luminance": 0.17467
}

Semantic roles & 50–950 ramp

primary

#CF423A

secondary

#92D0D3

accent

#DBE444

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CF423A

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

Preview Lab → · Contrast checker → · Palette generator →