#C43942#C43942

#C43942 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.3% C 0.175 H 21.6°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#C43942
RGB	rgb(196, 57, 66)
HSL	hsl(356, 55%, 50%)
HSV	hsv(356, 71%, 77%)
CMYK	cmyk(0%, 70.9%, 66.3%, 23.1%)
CIE-LAB	lab(45.72, 55.26, 27.32)
CIE-LCH	lch(45.72, 61.64, 26.31°)
OKLab	oklab(55.34% 0.1629 0.0644)
OKLCH	oklch(55.34% 0.175 21.6)
XYZ	xyz(25.2141, 15.0591, 6.7322)
Luminance	0.1505 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43942 #39C4BB

analogous

#C43988 #C43942 #C47639

triadic

#C43942 #42C439 #3942C4

tetradic

#C43942 #88C439 #39C4BB #7639C4

square

#C43942 #88C439 #39C4BB #7639C4

split-complementary

#C43942 #39C476 #3988C4

monochromatic

#651D22 #952B32 #C43942 #D3676E #E1979C

Accessibility & contrast

On white

5.24

#C43942 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#C43942 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43942

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43942	#FFFFFF	#000000	##FFFFFF
##C43942	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605941

Deuteranopia (green-blind)

#83773E

Tritanopia (blue-blind)

#D7093E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c43942;
/* rgb */ color: rgb(196, 57, 66);
/* oklch */ color: oklch(55.3% 0.175 21.6);

Tailwind

colors: {
  custom: {
    50: '#dd7976',
    500: '#c43942',
    950: '#000000',
  },
}

SCSS

$custom: #c43942;
$custom-light: #dd7976;
$custom-dark: #000000;

JSON

{
  "hex": "#c43942",
  "rgb": {
    "r": 196,
    "g": 57,
    "b": 66
  },
  "hsl": {
    "h": 356.115,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55343,
    "c": 0.17515,
    "h": 21.6
  },
  "luminance": 0.15055
}

Semantic roles & 50–950 ramp

primary

#C43942

secondary

#8DCCC8

accent

#DED54A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C43942

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

Preview Lab → · Contrast checker → · Palette generator →