#C43A36#C43A36

#C43A36 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.3% C 0.176 H 26.4°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#C43A36
RGB	rgb(196, 58, 54)
HSL	hsl(2, 57%, 49%)
HSV	hsv(2, 72%, 77%)
CMYK	cmyk(0%, 70.4%, 72.4%, 23.1%)
CIE-LAB	lab(45.68, 54.28, 34.35)
CIE-LCH	lch(45.68, 64.24, 32.33°)
OKLab	oklab(55.26% 0.1573 0.078)
OKLCH	oklch(55.26% 0.176 26.4)
XYZ	xyz(24.9466, 15.0319, 5.0772)
Luminance	0.1503 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43A36 #36C0C4

analogous

#C43679 #C43A36 #C48136

triadic

#C43A36 #36C43A #3A36C4

tetradic

#C43A36 #79C436 #36C0C4 #8136C4

square

#C43A36 #79C436 #36C0C4 #8136C4

split-complementary

#C43A36 #36C481 #3679C4

monochromatic

#641E1C #942C29 #C43A36 #D46663 #E19593

Accessibility & contrast

On white

5.24

#C43A36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#C43A36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43A36

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43A36	#FFFFFF	#000000	##FFFFFF
##C43A36	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)

#625934

Deuteranopia (green-blind)

#847731

Tritanopia (blue-blind)

#D8053B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c43a36;
/* rgb */ color: rgb(196, 58, 54);
/* oklch */ color: oklch(55.3% 0.176 26.4);

Tailwind

colors: {
  custom: {
    50: '#de796d',
    500: '#c43a36',
    950: '#000000',
  },
}

SCSS

$custom: #c43a36;
$custom-light: #de796d;
$custom-dark: #000000;

JSON

{
  "hex": "#c43a36",
  "rgb": {
    "r": 196,
    "g": 58,
    "b": 54
  },
  "hsl": {
    "h": 1.69,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.5526,
    "c": 0.17554,
    "h": 26.4
  },
  "luminance": 0.15028
}

Semantic roles & 50–950 ramp

primary

#C43A36

secondary

#89CACC

accent

#DCE048

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C43A36

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

Preview Lab → · Contrast checker → · Palette generator →