#C43A42#C43A42

#C43A42 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.4% C 0.174 H 21.8°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#C43A42
RGB	rgb(196, 58, 66)
HSL	hsl(357, 54%, 50%)
HSV	hsv(357, 70%, 77%)
CMYK	cmyk(0%, 70.4%, 66.3%, 23.1%)
CIE-LAB	lab(45.85, 54.88, 27.49)
CIE-LCH	lch(45.85, 61.38, 26.60°)
OKLab	oklab(55.45% 0.1617 0.0648)
OKLCH	oklch(55.45% 0.174 21.8)
XYZ	xyz(25.2640, 15.1589, 6.7489)
Luminance	0.1515 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43A42 #3AC4BC

analogous

#C43A87 #C43A42 #C4773A

triadic

#C43A42 #42C43A #3A42C4

tetradic

#C43A42 #87C43A #3AC4BC #773AC4

square

#C43A42 #87C43A #3AC4BC #773AC4

split-complementary

#C43A42 #3AC477 #3A87C4

monochromatic

#661E22 #952C32 #C43A42 #D3696F #E0989C

Accessibility & contrast

On white

5.21

#C43A42 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#C43A42 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43A42

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43A42	#FFFFFF	#000000	##FFFFFF
##C43A42	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605A41

Deuteranopia (green-blind)

#83773E

Tritanopia (blue-blind)

#D70D3E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c43a42;
/* rgb */ color: rgb(196, 58, 66);
/* oklch */ color: oklch(55.4% 0.174 21.8);

Tailwind

colors: {
  custom: {
    50: '#dd7976',
    500: '#c43a42',
    950: '#000000',
  },
}

SCSS

$custom: #c43a42;
$custom-light: #dd7976;
$custom-dark: #000000;

JSON

{
  "hex": "#c43a42",
  "rgb": {
    "r": 196,
    "g": 58,
    "b": 66
  },
  "hsl": {
    "h": 356.522,
    "s": 54.331,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55445,
    "c": 0.17418,
    "h": 21.8
  },
  "luminance": 0.15155
}

Semantic roles & 50–950 ramp

primary

#C43A42

secondary

#8ECCC9

accent

#DED54A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C43A42

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

Preview Lab → · Contrast checker → · Palette generator →