#C43A3C#C43A3C

#C43A3C is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.3% C 0.175 H 24.2°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#C43A3C
RGB	rgb(196, 58, 60)
HSL	hsl(359, 54%, 50%)
HSV	hsv(359, 70%, 77%)
CMYK	cmyk(0%, 70.4%, 69.4%, 23.1%)
CIE-LAB	lab(45.76, 54.56, 30.95)
CIE-LCH	lch(45.76, 62.73, 29.56°)
OKLab	oklab(55.35% 0.1594 0.0716)
OKLCH	oklch(55.35% 0.175 24.2)
XYZ	xyz(25.0963, 15.0918, 5.8656)
Luminance	0.1509 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43A3C #3AC4C2

analogous

#C43A81 #C43A3C #C47D3A

triadic

#C43A3C #3CC43A #3A3CC4

tetradic

#C43A3C #81C43A #3AC4C2 #7D3AC4

square

#C43A3C #81C43A #3AC4C2 #7D3AC4

split-complementary

#C43A3C #3AC47D #3A81C4

monochromatic

#661E1F #952C2E #C43A3C #D3696A #E09899

Accessibility & contrast

On white

5.23

#C43A3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#C43A3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43A3C

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43A3C	#FFFFFF	#000000	##FFFFFF
##C43A3C	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61593B

Deuteranopia (green-blind)

#847738

Tritanopia (blue-blind)

#D7093C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c43a3c;
/* rgb */ color: rgb(196, 58, 60);
/* oklch */ color: oklch(55.3% 0.175 24.2);

Tailwind

colors: {
  custom: {
    50: '#de7972',
    500: '#c43a3c',
    950: '#000000',
  },
}

SCSS

$custom: #c43a3c;
$custom-light: #de7972;
$custom-dark: #000000;

JSON

{
  "hex": "#c43a3c",
  "rgb": {
    "r": 196,
    "g": 58,
    "b": 60
  },
  "hsl": {
    "h": 359.13,
    "s": 54.331,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55347,
    "c": 0.17476,
    "h": 24.2
  },
  "luminance": 0.15088
}

Semantic roles & 50–950 ramp

primary

#C43A3C

secondary

#8ECCCB

accent

#DEDC4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C43A3C

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

Preview Lab → · Contrast checker → · Palette generator →