#C43A3D#C43A3D

#C43A3D is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.4% C 0.175 H 23.8°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#C43A3D
RGB	rgb(196, 58, 61)
HSL	hsl(359, 54%, 50%)
HSV	hsv(359, 70%, 77%)
CMYK	cmyk(0%, 70.4%, 68.9%, 23.1%)
CIE-LAB	lab(45.77, 54.62, 30.37)
CIE-LCH	lch(45.77, 62.49, 29.08°)
OKLab	oklab(55.36% 0.1598 0.0705)
OKLCH	oklch(55.36% 0.175 23.8)
XYZ	xyz(25.1230, 15.1025, 6.0062)
Luminance	0.1510 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43A3D #3AC4C1

analogous

#C43A82 #C43A3D #C47C3A

triadic

#C43A3D #3DC43A #3A3DC4

tetradic

#C43A3D #82C43A #3AC4C1 #7C3AC4

square

#C43A3D #82C43A #3AC4C1 #7C3AC4

split-complementary

#C43A3D #3AC47C #3A82C4

monochromatic

#661E20 #952C2E #C43A3D #D3696B #E09899

Accessibility & contrast

On white

5.22

#C43A3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#C43A3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43A3D

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43A3D	#FFFFFF	#000000	##FFFFFF
##C43A3D	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615A3C

Deuteranopia (green-blind)

#837739

Tritanopia (blue-blind)

#D70A3D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c43a3d;
/* rgb */ color: rgb(196, 58, 61);
/* oklch */ color: oklch(55.4% 0.175 23.8);

Tailwind

colors: {
  custom: {
    50: '#de7972',
    500: '#c43a3d',
    950: '#000000',
  },
}

SCSS

$custom: #c43a3d;
$custom-light: #de7972;
$custom-dark: #000000;

JSON

{
  "hex": "#c43a3d",
  "rgb": {
    "r": 196,
    "g": 58,
    "b": 61
  },
  "hsl": {
    "h": 358.696,
    "s": 54.331,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55363,
    "c": 0.17465,
    "h": 23.8
  },
  "luminance": 0.15099
}

Semantic roles & 50–950 ramp

primary

#C43A3D

secondary

#8ECCCB

accent

#DEDA4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C43A3D

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

Preview Lab → · Contrast checker → · Palette generator →