#C43A38#C43A38

#C43A38 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.3% C 0.175 H 25.7°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#C43A38
RGB	rgb(196, 58, 56)
HSL	hsl(1, 56%, 49%)
HSV	hsv(1, 71%, 77%)
CMYK	cmyk(0%, 70.4%, 71.4%, 23.1%)
CIE-LAB	lab(45.70, 54.37, 33.23)
CIE-LCH	lch(45.70, 63.72, 31.43°)
OKLab	oklab(55.29% 0.158 0.0759)
OKLCH	oklch(55.29% 0.175 25.7)
XYZ	xyz(24.9946, 15.0511, 5.3297)
Luminance	0.1505 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43A38 #38C2C4

analogous

#C4387C #C43A38 #C48038

triadic

#C43A38 #38C43A #3A38C4

tetradic

#C43A38 #7CC438 #38C2C4 #8038C4

square

#C43A38 #7CC438 #38C2C4 #8038C4

split-complementary

#C43A38 #38C480 #387CC4

monochromatic

#651E1D #942C2A #C43A38 #D36766 #E19796

Accessibility & contrast

On white

5.24

#C43A38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#C43A38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43A38

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43A38	#FFFFFF	#000000	##FFFFFF
##C43A38	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615936

Deuteranopia (green-blind)

#847733

Tritanopia (blue-blind)

#D7063B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c43a38;
/* rgb */ color: rgb(196, 58, 56);
/* oklch */ color: oklch(55.3% 0.175 25.7);

Tailwind

colors: {
  custom: {
    50: '#de796f',
    500: '#c43a38',
    950: '#000000',
  },
}

SCSS

$custom: #c43a38;
$custom-light: #de796f;
$custom-dark: #000000;

JSON

{
  "hex": "#c43a38",
  "rgb": {
    "r": 196,
    "g": 58,
    "b": 56
  },
  "hsl": {
    "h": 0.857,
    "s": 55.556,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55288,
    "c": 0.17526,
    "h": 25.7
  },
  "luminance": 0.15047
}

Semantic roles & 50–950 ramp

primary

#C43A38

secondary

#8CCBCC

accent

#DDDF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C43A38

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

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