#C43A40#C43A40

#C43A40 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.4% C 0.174 H 22.6°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#C43A40
RGB	rgb(196, 58, 64)
HSL	hsl(357, 54%, 50%)
HSV	hsv(357, 70%, 77%)
CMYK	cmyk(0%, 70.4%, 67.3%, 23.1%)
CIE-LAB	lab(45.82, 54.77, 28.65)
CIE-LCH	lch(45.82, 61.81, 27.61°)
OKLab	oklab(55.41% 0.1609 0.0671)
OKLCH	oklch(55.41% 0.174 22.6)
XYZ	xyz(25.2061, 15.1357, 6.4437)
Luminance	0.1513 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43A40 #3AC4BE

analogous

#C43A85 #C43A40 #C4793A

triadic

#C43A40 #40C43A #3A40C4

tetradic

#C43A40 #85C43A #3AC4BE #793AC4

square

#C43A40 #85C43A #3AC4BE #793AC4

split-complementary

#C43A40 #3AC479 #3A85C4

monochromatic

#661E21 #952C31 #C43A40 #D3696D #E0989B

Accessibility & contrast

On white

5.22

#C43A40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#C43A40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43A40

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43A40	#FFFFFF	#000000	##FFFFFF
##C43A40	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605A3F

Deuteranopia (green-blind)

#83773C

Tritanopia (blue-blind)

#D70C3E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c43a40;
/* rgb */ color: rgb(196, 58, 64);
/* oklch */ color: oklch(55.4% 0.174 22.6);

Tailwind

colors: {
  custom: {
    50: '#de7975',
    500: '#c43a40',
    950: '#000000',
  },
}

SCSS

$custom: #c43a40;
$custom-light: #de7975;
$custom-dark: #000000;

JSON

{
  "hex": "#c43a40",
  "rgb": {
    "r": 196,
    "g": 58,
    "b": 64
  },
  "hsl": {
    "h": 357.391,
    "s": 54.331,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55411,
    "c": 0.17436,
    "h": 22.6
  },
  "luminance": 0.15132
}

Semantic roles & 50–950 ramp

primary

#C43A40

secondary

#8ECCC9

accent

#DED74A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C43A40

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

Preview Lab → · Contrast checker → · Palette generator →