#C0423A#C0423A

#C0423A is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.5% C 0.163 H 27.3°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#C0423A
RGB	rgb(192, 66, 58)
HSL	hsl(4, 54%, 49%)
HSV	hsv(4, 70%, 75%)
CMYK	cmyk(0%, 65.6%, 69.8%, 24.7%)
CIE-LAB	lab(46.19, 49.93, 32.46)
CIE-LCH	lch(46.19, 59.55, 33.03°)
OKLab	oklab(55.53% 0.1449 0.0748)
OKLCH	oklch(55.53% 0.163 27.3)
XYZ	xyz(24.4527, 15.4119, 5.6894)
Luminance	0.1541 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0423A #3AB8C0

analogous

#C03A75 #C0423A #C0853A

triadic

#C0423A #3AC042 #423AC0

tetradic

#C0423A #75C03A #3AB8C0 #853AC0

square

#C0423A #75C03A #3AB8C0 #853AC0

split-complementary

#C0423A #3AC085 #3A75C0

monochromatic

#62221E #91322C #C0423A #D16D66 #DF9A95

Accessibility & contrast

On white

5.15

#C0423A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#C0423A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C0423A

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0423A	#FFFFFF	#000000	##FFFFFF
##C0423A	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C38

Deuteranopia (green-blind)

#847836

Tritanopia (blue-blind)

#D32241

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c0423a;
/* rgb */ color: rgb(192, 66, 58);
/* oklch */ color: oklch(55.5% 0.163 27.3);

Tailwind

colors: {
  custom: {
    50: '#db7d70',
    500: '#c0423a',
    950: '#000000',
  },
}

SCSS

$custom: #c0423a;
$custom-light: #db7d70;
$custom-dark: #000000;

JSON

{
  "hex": "#c0423a",
  "rgb": {
    "r": 192,
    "g": 66,
    "b": 58
  },
  "hsl": {
    "h": 3.582,
    "s": 53.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.5553,
    "c": 0.16304,
    "h": 27.3
  },
  "luminance": 0.15408
}

Semantic roles & 50–950 ramp

primary

#C0423A

secondary

#8BC7CA

accent

#D4DD4B

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #C0423A

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

Preview Lab → · Contrast checker → · Palette generator →