#C43F35#C43F35

#C43F35 is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.8% C 0.171 H 28.2°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#C43F35
RGB	rgb(196, 63, 53)
HSL	hsl(4, 57%, 49%)
HSV	hsv(4, 73%, 77%)
CMYK	cmyk(0%, 67.9%, 73%, 23.1%)
CIE-LAB	lab(46.38, 52.28, 35.73)
CIE-LCH	lch(46.38, 63.32, 34.35°)
OKLab	oklab(55.78% 0.1507 0.0808)
OKLCH	oklch(55.78% 0.171 28.2)
XYZ	xyz(25.1878, 15.5515, 5.0429)
Luminance	0.1555 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43F35 #35BAC4

analogous

#C43573 #C43F35 #C48735

triadic

#C43F35 #35C43F #3F35C4

tetradic

#C43F35 #73C435 #35BAC4 #8735C4

square

#C43F35 #73C435 #35BAC4 #8735C4

split-complementary

#C43F35 #35C487 #3573C4

monochromatic

#64201B #943028 #C43F35 #D46A62 #E19792

Accessibility & contrast

On white

5.11

#C43F35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#C43F35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43F35

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43F35	#FFFFFF	#000000	##FFFFFF
##C43F35	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C33

Deuteranopia (green-blind)

#867930

Tritanopia (blue-blind)

#D7163E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c43f35;
/* rgb */ color: rgb(196, 63, 53);
/* oklch */ color: oklch(55.8% 0.171 28.2);

Tailwind

colors: {
  custom: {
    50: '#de7c6d',
    500: '#c43f35',
    950: '#000000',
  },
}

SCSS

$custom: #c43f35;
$custom-light: #de7c6d;
$custom-dark: #000000;

JSON

{
  "hex": "#c43f35",
  "rgb": {
    "r": 196,
    "g": 63,
    "b": 53
  },
  "hsl": {
    "h": 4.196,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55781,
    "c": 0.17103,
    "h": 28.2
  },
  "luminance": 0.15548
}

Semantic roles & 50–950 ramp

primary

#C43F35

secondary

#88C8CC

accent

#D6E147

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C43F35

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

Preview Lab → · Contrast checker → · Palette generator →