#C43D3D#C43D3D

#C43D3D is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.7% C 0.172 H 24.7°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#C43D3D
RGB	rgb(196, 61, 61)
HSL	hsl(0, 53%, 50%)
HSV	hsv(0, 69%, 77%)
CMYK	cmyk(0%, 68.9%, 68.9%, 23.1%)
CIE-LAB	lab(46.20, 53.46, 30.88)
CIE-LCH	lch(46.20, 61.74, 30.01°)
OKLab	oklab(55.68% 0.1561 0.0717)
OKLCH	oklch(55.68% 0.172 24.7)
XYZ	xyz(25.2787, 15.4139, 6.0581)
Luminance	0.1541 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43D3D #3DC4C4

analogous

#C43D80 #C43D3D #C4803D

triadic

#C43D3D #3DC43D #3D3DC4

tetradic

#C43D3D #80C43D #3DC4C4 #803DC4

square

#C43D3D #80C43D #3DC4C4 #803DC4

split-complementary

#C43D3D #3DC480 #3D80C4

monochromatic

#671F1F #962E2E #C43D3D #D26C6C #E19B9B

Accessibility & contrast

On white

5.14

#C43D3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#C43D3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43D3D

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43D3D	#FFFFFF	#000000	##FFFFFF
##C43D3D	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B3C

Deuteranopia (green-blind)

#847839

Tritanopia (blue-blind)

#D7143F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c43d3d;
/* rgb */ color: rgb(196, 61, 61);
/* oklch */ color: oklch(55.7% 0.172 24.7);

Tailwind

colors: {
  custom: {
    50: '#de7b72',
    500: '#c43d3d',
    950: '#000000',
  },
}

SCSS

$custom: #c43d3d;
$custom-light: #de7b72;
$custom-dark: #000000;

JSON

{
  "hex": "#c43d3d",
  "rgb": {
    "r": 196,
    "g": 61,
    "b": 61
  },
  "hsl": {
    "h": 0,
    "s": 53.36,
    "l": 50.392
  },
  "oklch": {
    "l": 0.55678,
    "c": 0.17178,
    "h": 24.7
  },
  "luminance": 0.1541
}

Semantic roles & 50–950 ramp

primary

#C43D3D

secondary

#90CDCD

accent

#DDDD4B

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C43D3D

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

Preview Lab → · Contrast checker → · Palette generator →