#C43640#C43640

#C43640 is a mid, vivid red. Relative luminance 0.147; OKLCH L 55.0% C 0.178 H 21.6°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#C43640
RGB	rgb(196, 54, 64)
HSL	hsl(356, 57%, 49%)
HSV	hsv(356, 72%, 77%)
CMYK	cmyk(0%, 72.4%, 67.3%, 23.1%)
CIE-LAB	lab(45.29, 56.24, 27.99)
CIE-LCH	lch(45.29, 62.82, 26.46°)
OKLab	oklab(55.01% 0.1656 0.0657)
OKLCH	oklch(55.01% 0.178 21.6)
XYZ	xyz(25.0122, 14.7480, 6.3791)
Luminance	0.1474 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43640 #36C4BA

analogous

#C43687 #C43640 #C47336

triadic

#C43640 #40C436 #3640C4

tetradic

#C43640 #87C436 #36C4BA #7336C4

square

#C43640 #87C436 #36C4BA #7336C4

split-complementary

#C43640 #36C473 #3687C4

monochromatic

#641C21 #942930 #C43640 #D4636B #E19399

Accessibility & contrast

On white

5.32

#C43640 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#C43640 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43640

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43640	#FFFFFF	#000000	##FFFFFF
##C43640	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E583F

Deuteranopia (green-blind)

#82763C

Tritanopia (blue-blind)

#D7003B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c43640;
/* rgb */ color: rgb(196, 54, 64);
/* oklch */ color: oklch(55.0% 0.178 21.6);

Tailwind

colors: {
  custom: {
    50: '#de7774',
    500: '#c43640',
    950: '#000000',
  },
}

SCSS

$custom: #c43640;
$custom-light: #de7774;
$custom-dark: #000000;

JSON

{
  "hex": "#c43640",
  "rgb": {
    "r": 196,
    "g": 54,
    "b": 64
  },
  "hsl": {
    "h": 355.775,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55014,
    "c": 0.17813,
    "h": 21.6
  },
  "luminance": 0.14744
}

Semantic roles & 50–950 ramp

primary

#C43640

secondary

#89CCC8

accent

#E0D548

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170908

muted

#857B7B

Preview Lab

Preview with #C43640

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

Preview Lab → · Contrast checker → · Palette generator →