#C43643#C43643

#C43643 is a mid, vivid red. Relative luminance 0.148; OKLCH L 55.1% C 0.178 H 20.4°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#C43643
RGB	rgb(196, 54, 67)
HSL	hsl(355, 57%, 49%)
HSV	hsv(355, 72%, 77%)
CMYK	cmyk(0%, 72.4%, 65.8%, 23.1%)
CIE-LAB	lab(45.34, 56.41, 26.24)
CIE-LCH	lch(45.34, 62.21, 24.95°)
OKLab	oklab(55.07% 0.1667 0.0621)
OKLCH	oklch(55.07% 0.178 20.4)
XYZ	xyz(25.0999, 14.7831, 6.8409)
Luminance	0.1478 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43643 #36C4B7

analogous

#C4368A #C43643 #C47036

triadic

#C43643 #43C436 #3643C4

tetradic

#C43643 #8AC436 #36C4B7 #7036C4

square

#C43643 #8AC436 #36C4B7 #7036C4

split-complementary

#C43643 #36C470 #368AC4

monochromatic

#641C22 #942933 #C43643 #D4636D #E1939A

Accessibility & contrast

On white

5.31

#C43643 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#C43643 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43643

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43643	#FFFFFF	#000000	##FFFFFF
##C43643	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5842

Deuteranopia (green-blind)

#82763F

Tritanopia (blue-blind)

#D7003C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c43643;
/* rgb */ color: rgb(196, 54, 67);
/* oklch */ color: oklch(55.1% 0.178 20.4);

Tailwind

colors: {
  custom: {
    50: '#de7777',
    500: '#c43643',
    950: '#000000',
  },
}

SCSS

$custom: #c43643;
$custom-light: #de7777;
$custom-dark: #000000;

JSON

{
  "hex": "#c43643",
  "rgb": {
    "r": 196,
    "g": 54,
    "b": 67
  },
  "hsl": {
    "h": 354.507,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55066,
    "c": 0.17792,
    "h": 20.4
  },
  "luminance": 0.14779
}

Semantic roles & 50–950 ramp

primary

#C43643

secondary

#89CCC6

accent

#E0D248

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C43643

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

Preview Lab → · Contrast checker → · Palette generator →