#C43C3F#C43C3F

#C43C3F is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.6% C 0.173 H 23.6°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#C43C3F
RGB	rgb(196, 60, 63)
HSL	hsl(359, 54%, 50%)
HSV	hsv(359, 69%, 77%)
CMYK	cmyk(0%, 69.4%, 67.9%, 23.1%)
CIE-LAB	lab(46.08, 53.95, 29.56)
CIE-LCH	lch(46.08, 61.52, 28.72°)
OKLab	oklab(55.6% 0.1581 0.069)
OKLCH	oklch(55.6% 0.173 23.6)
XYZ	xyz(25.2807, 15.3300, 6.3295)
Luminance	0.1533 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43C3F #3CC4C1

analogous

#C43C83 #C43C3F #C47D3C

triadic

#C43C3F #3FC43C #3C3FC4

tetradic

#C43C3F #83C43C #3CC4C1 #7D3CC4

square

#C43C3F #83C43C #3CC4C1 #7D3CC4

split-complementary

#C43C3F #3CC47D #3C83C4

monochromatic

#671F21 #962D30 #C43C3F #D26B6D #E09A9C

Accessibility & contrast

On white

5.17

#C43C3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#C43C3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43C3F

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43C3F	#FFFFFF	#000000	##FFFFFF
##C43C3F	1.00	5.17	4.07	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625B3E

Deuteranopia (green-blind)

#84783B

Tritanopia (blue-blind)

#D7123F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c43c3f;
/* rgb */ color: rgb(196, 60, 63);
/* oklch */ color: oklch(55.6% 0.173 23.6);

Tailwind

colors: {
  custom: {
    50: '#de7a74',
    500: '#c43c3f',
    950: '#000000',
  },
}

SCSS

$custom: #c43c3f;
$custom-light: #de7a74;
$custom-dark: #000000;

JSON

{
  "hex": "#c43c3f",
  "rgb": {
    "r": 196,
    "g": 60,
    "b": 63
  },
  "hsl": {
    "h": 358.676,
    "s": 53.543,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55603,
    "c": 0.17252,
    "h": 23.6
  },
  "luminance": 0.15326
}

Semantic roles & 50–950 ramp

primary

#C43C3F

secondary

#90CCCB

accent

#DDDA4B

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C43C3F

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

Preview Lab → · Contrast checker → · Palette generator →