#C42C28#C42C28

#C42C28 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.8% C 0.189 H 27.4°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#C42C28
RGB	rgb(196, 44, 40)
HSL	hsl(2, 66%, 46%)
HSV	hsv(2, 80%, 77%)
CMYK	cmyk(0%, 77.6%, 79.6%, 23.1%)
CIE-LAB	lab(43.79, 58.54, 40.21)
CIE-LCH	lch(43.79, 71.01, 34.48°)
OKLab	oklab(53.8% 0.1678 0.0871)
OKLCH	oklch(53.8% 0.189 27.4)
XYZ	xyz(24.0516, 13.6942, 3.3839)
Luminance	0.1369 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C42C28 #28C0C4

analogous

#C42872 #C42C28 #C47A28

triadic

#C42C28 #28C42C #2C28C4

tetradic

#C42C28 #72C428 #28C0C4 #7A28C4

square

#C42C28 #72C428 #28C0C4 #7A28C4

split-complementary

#C42C28 #28C47A #2872C4

monochromatic

#5E1513 #91211E #C42C28 #DB524E #E58481

Accessibility & contrast

On white

5.62

#C42C28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#C42C28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C42C28

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C42C28	#FFFFFF	#000000	##FFFFFF
##C42C28	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5226

Deuteranopia (green-blind)

#817321

Tritanopia (blue-blind)

#D8002D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #c42c28;
/* rgb */ color: rgb(196, 44, 40);
/* oklch */ color: oklch(53.8% 0.189 27.4);

Tailwind

colors: {
  custom: {
    50: '#e07363',
    500: '#c42c28',
    950: '#000000',
  },
}

SCSS

$custom: #c42c28;
$custom-light: #e07363;
$custom-dark: #000000;

JSON

{
  "hex": "#c42c28",
  "rgb": {
    "r": 196,
    "g": 44,
    "b": 40
  },
  "hsl": {
    "h": 1.538,
    "s": 66.102,
    "l": 46.275
  },
  "oklch": {
    "l": 0.53802,
    "c": 0.189,
    "h": 27.4
  },
  "luminance": 0.1369
}

Semantic roles & 50–950 ramp

primary

#C42C28

secondary

#7ACCCE

accent

#E5E93F

background

#FFF7F5

surface

#FEEDEA

border

#D6C8C6

text

#170905

muted

#857B79

Preview Lab

Preview with #C42C28

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

Preview Lab → · Contrast checker → · Palette generator →