#C43943#C43943

#C43943 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.4% C 0.175 H 21.2°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#C43943
RGB	rgb(196, 57, 67)
HSL	hsl(356, 55%, 50%)
HSV	hsv(356, 71%, 77%)
CMYK	cmyk(0%, 70.9%, 65.8%, 23.1%)
CIE-LAB	lab(45.73, 55.31, 26.74)
CIE-LCH	lch(45.73, 61.44, 25.80°)
OKLab	oklab(55.36% 0.1632 0.0633)
OKLCH	oklch(55.36% 0.175 21.2)
XYZ	xyz(25.2439, 15.0710, 6.8888)
Luminance	0.1507 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43943 #39C4BA

analogous

#C43989 #C43943 #C47439

triadic

#C43943 #43C439 #3943C4

tetradic

#C43943 #89C439 #39C4BA #7439C4

square

#C43943 #89C439 #39C4BA #7439C4

split-complementary

#C43943 #39C474 #3989C4

monochromatic

#651D23 #952B33 #C43943 #D3676F #E1979C

Accessibility & contrast

On white

5.23

#C43943 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#C43943 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43943

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43943	#FFFFFF	#000000	##FFFFFF
##C43943	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5942

Deuteranopia (green-blind)

#83773F

Tritanopia (blue-blind)

#D70A3E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c43943;
/* rgb */ color: rgb(196, 57, 67);
/* oklch */ color: oklch(55.4% 0.175 21.2);

Tailwind

colors: {
  custom: {
    50: '#dd7977',
    500: '#c43943',
    950: '#000000',
  },
}

SCSS

$custom: #c43943;
$custom-light: #dd7977;
$custom-dark: #000000;

JSON

{
  "hex": "#c43943",
  "rgb": {
    "r": 196,
    "g": 57,
    "b": 67
  },
  "hsl": {
    "h": 355.683,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5536,
    "c": 0.17507,
    "h": 21.2
  },
  "luminance": 0.15067
}

Semantic roles & 50–950 ramp

primary

#C43943

secondary

#8DCCC8

accent

#DED44A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C43943

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

Preview Lab → · Contrast checker → · Palette generator →