#C43F34#C43F34

#C43F34 is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.8% C 0.171 H 28.5°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#C43F34
RGB	rgb(196, 63, 52)
HSL	hsl(5, 58%, 49%)
HSV	hsv(5, 73%, 77%)
CMYK	cmyk(0%, 67.9%, 73.5%, 23.1%)
CIE-LAB	lab(46.37, 52.23, 36.28)
CIE-LCH	lch(46.37, 63.60, 34.78°)
OKLab	oklab(55.77% 0.1504 0.0818)
OKLCH	oklch(55.77% 0.171 28.5)
XYZ	xyz(25.1651, 15.5424, 4.9230)
Luminance	0.1554 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43F34 #34B9C4

analogous

#C43471 #C43F34 #C48734

triadic

#C43F34 #34C43F #3F34C4

tetradic

#C43F34 #71C434 #34B9C4 #8734C4

square

#C43F34 #71C434 #34B9C4 #8734C4

split-complementary

#C43F34 #34C487 #3471C4

monochromatic

#63201A #942F27 #C43F34 #D56960 #E29791

Accessibility & contrast

On white

5.11

#C43F34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#C43F34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43F34

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43F34	#FFFFFF	#000000	##FFFFFF
##C43F34	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)

#655B32

Deuteranopia (green-blind)

#86792F

Tritanopia (blue-blind)

#D8163D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c43f34;
/* rgb */ color: rgb(196, 63, 52);
/* oklch */ color: oklch(55.8% 0.171 28.5);

Tailwind

colors: {
  custom: {
    50: '#de7c6c',
    500: '#c43f34',
    950: '#000000',
  },
}

SCSS

$custom: #c43f34;
$custom-light: #de7c6c;
$custom-dark: #000000;

JSON

{
  "hex": "#c43f34",
  "rgb": {
    "r": 196,
    "g": 63,
    "b": 52
  },
  "hsl": {
    "h": 4.583,
    "s": 58.065,
    "l": 48.627
  },
  "oklch": {
    "l": 0.55768,
    "c": 0.1712,
    "h": 28.5
  },
  "luminance": 0.15539
}

Semantic roles & 50–950 ramp

primary

#C43F34

secondary

#87C7CC

accent

#D5E147

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C43F34

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

Preview Lab → · Contrast checker → · Palette generator →