#C43A3E#C43A3E

#C43A3E is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.4% C 0.175 H 23.4°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#C43A3E
RGB	rgb(196, 58, 62)
HSL	hsl(358, 54%, 50%)
HSV	hsv(358, 70%, 77%)
CMYK	cmyk(0%, 70.4%, 68.4%, 23.1%)
CIE-LAB	lab(45.79, 54.67, 29.80)
CIE-LCH	lch(45.79, 62.26, 28.59°)
OKLab	oklab(55.38% 0.1602 0.0694)
OKLCH	oklch(55.38% 0.175 23.4)
XYZ	xyz(25.1502, 15.1134, 6.1494)
Luminance	0.1511 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43A3E #3AC4C0

analogous

#C43A83 #C43A3E #C47B3A

triadic

#C43A3E #3EC43A #3A3EC4

tetradic

#C43A3E #83C43A #3AC4C0 #7B3AC4

square

#C43A3E #83C43A #3AC4C0 #7B3AC4

split-complementary

#C43A3E #3AC47B #3A83C4

monochromatic

#661E20 #952C2F #C43A3E #D3696C #E0989A

Accessibility & contrast

On white

5.22

#C43A3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#C43A3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43A3E

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43A3E	#FFFFFF	#000000	##FFFFFF
##C43A3E	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)

#615A3D

Deuteranopia (green-blind)

#83773A

Tritanopia (blue-blind)

#D70B3D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c43a3e;
/* rgb */ color: rgb(196, 58, 62);
/* oklch */ color: oklch(55.4% 0.175 23.4);

Tailwind

colors: {
  custom: {
    50: '#de7973',
    500: '#c43a3e',
    950: '#000000',
  },
}

SCSS

$custom: #c43a3e;
$custom-light: #de7973;
$custom-dark: #000000;

JSON

{
  "hex": "#c43a3e",
  "rgb": {
    "r": 196,
    "g": 58,
    "b": 62
  },
  "hsl": {
    "h": 358.261,
    "s": 54.331,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55378,
    "c": 0.17455,
    "h": 23.4
  },
  "luminance": 0.1511
}

Semantic roles & 50–950 ramp

primary

#C43A3E

secondary

#8ECCCA

accent

#DED94A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C43A3E

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

Preview Lab → · Contrast checker → · Palette generator →