#C42A28#C42A28

#C42A28 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.6% C 0.190 H 27.0°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#C42A28
RGB	rgb(196, 42, 40)
HSL	hsl(1, 66%, 46%)
HSV	hsv(1, 80%, 77%)
CMYK	cmyk(0%, 78.6%, 79.6%, 23.1%)
CIE-LAB	lab(43.58, 59.13, 39.99)
CIE-LCH	lch(43.58, 71.39, 34.07°)
OKLab	oklab(53.64% 0.1696 0.0866)
OKLCH	oklch(53.64% 0.19 27)
XYZ	xyz(23.9788, 13.5488, 3.3597)
Luminance	0.1354 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C42A28 #28C2C4

analogous

#C42874 #C42A28 #C47828

triadic

#C42A28 #28C42A #2A28C4

tetradic

#C42A28 #74C428 #28C2C4 #7828C4

square

#C42A28 #74C428 #28C2C4 #7828C4

split-complementary

#C42A28 #28C478 #2874C4

monochromatic

#5E1413 #911F1E #C42A28 #DB504E #E58281

Accessibility & contrast

On white

5.66

#C42A28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#C42A28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C42A28

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C42A28	#FFFFFF	#000000	##FFFFFF
##C42A28	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5226

Deuteranopia (green-blind)

#817321

Tritanopia (blue-blind)

#D8002C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #c42a28;
/* rgb */ color: rgb(196, 42, 40);
/* oklch */ color: oklch(53.6% 0.190 27.0);

Tailwind

colors: {
  custom: {
    50: '#e07263',
    500: '#c42a28',
    950: '#000000',
  },
}

SCSS

$custom: #c42a28;
$custom-light: #e07263;
$custom-dark: #000000;

JSON

{
  "hex": "#c42a28",
  "rgb": {
    "r": 196,
    "g": 42,
    "b": 40
  },
  "hsl": {
    "h": 0.769,
    "s": 66.102,
    "l": 46.275
  },
  "oklch": {
    "l": 0.53644,
    "c": 0.19045,
    "h": 27
  },
  "luminance": 0.13545
}

Semantic roles & 50–950 ramp

primary

#C42A28

secondary

#7ACDCE

accent

#E7E93F

background

#FFF7F5

surface

#FEEDEA

border

#D6C8C6

text

#170905

muted

#857B79

Preview Lab

Preview with #C42A28

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

Preview Lab → · Contrast checker → · Palette generator →