#C42D28#C42D28

#C42D28 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.9% C 0.188 H 27.6°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#C42D28
RGB	rgb(196, 45, 40)
HSL	hsl(2, 66%, 46%)
HSV	hsv(2, 80%, 77%)
CMYK	cmyk(0%, 77%, 79.6%, 23.1%)
CIE-LAB	lab(43.90, 58.23, 40.32)
CIE-LCH	lch(43.90, 70.82, 34.70°)
OKLab	oklab(53.88% 0.1668 0.0873)
OKLCH	oklch(53.88% 0.188 27.6)
XYZ	xyz(24.0893, 13.7696, 3.3965)
Luminance	0.1377 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C42D28 #28BFC4

analogous

#C42871 #C42D28 #C47B28

triadic

#C42D28 #28C42D #2D28C4

tetradic

#C42D28 #71C428 #28BFC4 #7B28C4

square

#C42D28 #71C428 #28BFC4 #7B28C4

split-complementary

#C42D28 #28C47B #2871C4

monochromatic

#5E1613 #91211E #C42D28 #DB534E #E58481

Accessibility & contrast

On white

5.60

#C42D28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#C42D28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C42D28

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C42D28	#FFFFFF	#000000	##FFFFFF
##C42D28	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5325

Deuteranopia (green-blind)

#817421

Tritanopia (blue-blind)

#D8002E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #c42d28;
/* rgb */ color: rgb(196, 45, 40);
/* oklch */ color: oklch(53.9% 0.188 27.6);

Tailwind

colors: {
  custom: {
    50: '#e07363',
    500: '#c42d28',
    950: '#000000',
  },
}

SCSS

$custom: #c42d28;
$custom-light: #e07363;
$custom-dark: #000000;

JSON

{
  "hex": "#c42d28",
  "rgb": {
    "r": 196,
    "g": 45,
    "b": 40
  },
  "hsl": {
    "h": 1.923,
    "s": 66.102,
    "l": 46.275
  },
  "oklch": {
    "l": 0.53884,
    "c": 0.18825,
    "h": 27.6
  },
  "luminance": 0.13766
}

Semantic roles & 50–950 ramp

primary

#C42D28

secondary

#7ACBCE

accent

#E4E93F

background

#FFF7F5

surface

#FEEDEA

border

#D6C8C6

text

#170905

muted

#857B79

Preview Lab

Preview with #C42D28

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

Preview Lab → · Contrast checker → · Palette generator →