#C43938#C43938

#C43938 is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.2% C 0.176 H 25.4°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#C43938
RGB	rgb(196, 57, 56)
HSL	hsl(0, 56%, 49%)
HSV	hsv(0, 71%, 77%)
CMYK	cmyk(0%, 70.9%, 71.4%, 23.1%)
CIE-LAB	lab(45.57, 54.75, 33.07)
CIE-LCH	lch(45.57, 63.96, 31.13°)
OKLab	oklab(55.19% 0.1591 0.0756)
OKLCH	oklch(55.19% 0.176 25.4)
XYZ	xyz(24.9447, 14.9513, 5.3130)
Luminance	0.1495 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43938 #38C3C4

analogous

#C4387D #C43938 #C47F38

triadic

#C43938 #38C439 #3938C4

tetradic

#C43938 #7DC438 #38C3C4 #7F38C4

square

#C43938 #7DC438 #38C3C4 #7F38C4

split-complementary

#C43938 #38C47F #387DC4

monochromatic

#651D1D #942B2A #C43938 #D36766 #E19696

Accessibility & contrast

On white

5.26

#C43938 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#C43938 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43938

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43938	#FFFFFF	#000000	##FFFFFF
##C43938	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615936

Deuteranopia (green-blind)

#847733

Tritanopia (blue-blind)

#D7023A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c43938;
/* rgb */ color: rgb(196, 57, 56);
/* oklch */ color: oklch(55.2% 0.176 25.4);

Tailwind

colors: {
  custom: {
    50: '#de796f',
    500: '#c43938',
    950: '#000000',
  },
}

SCSS

$custom: #c43938;
$custom-light: #de796f;
$custom-dark: #000000;

JSON

{
  "hex": "#c43938",
  "rgb": {
    "r": 196,
    "g": 57,
    "b": 56
  },
  "hsl": {
    "h": 0.429,
    "s": 55.556,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55186,
    "c": 0.17618,
    "h": 25.4
  },
  "luminance": 0.14948
}

Semantic roles & 50–950 ramp

primary

#C43938

secondary

#8CCCCC

accent

#DEDF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C43938

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

Preview Lab → · Contrast checker → · Palette generator →