#C43A33#C43A33

#C43A33 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.2% C 0.176 H 27.4°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#C43A33
RGB	rgb(196, 58, 51)
HSL	hsl(3, 59%, 48%)
HSV	hsv(3, 74%, 77%)
CMYK	cmyk(0%, 70.4%, 74%, 23.1%)
CIE-LAB	lab(45.64, 54.15, 36.03)
CIE-LCH	lch(45.64, 65.04, 33.64°)
OKLab	oklab(55.22% 0.1562 0.081)
OKLCH	oklch(55.22% 0.176 27.4)
XYZ	xyz(24.8784, 15.0046, 4.7175)
Luminance	0.1500 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43A33 #33BDC4

analogous

#C43374 #C43A33 #C48333

triadic

#C43A33 #33C43A #3A33C4

tetradic

#C43A33 #74C433 #33BDC4 #8333C4

square

#C43A33 #74C433 #33BDC4 #8333C4

split-complementary

#C43A33 #33C483 #3374C4

monochromatic

#631D1A #932C26 #C43A33 #D5655F #E2938F

Accessibility & contrast

On white

5.25

#C43A33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#C43A33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43A33

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43A33	#FFFFFF	#000000	##FFFFFF
##C43A33	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625931

Deuteranopia (green-blind)

#84772E

Tritanopia (blue-blind)

#D8033A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c43a33;
/* rgb */ color: rgb(196, 58, 51);
/* oklch */ color: oklch(55.2% 0.176 27.4);

Tailwind

colors: {
  custom: {
    50: '#de796b',
    500: '#c43a33',
    950: '#000000',
  },
}

SCSS

$custom: #c43a33;
$custom-light: #de796b;
$custom-dark: #000000;

JSON

{
  "hex": "#c43a33",
  "rgb": {
    "r": 196,
    "g": 58,
    "b": 51
  },
  "hsl": {
    "h": 2.897,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.5522,
    "c": 0.17597,
    "h": 27.4
  },
  "luminance": 0.15001
}

Semantic roles & 50–950 ramp

primary

#C43A33

secondary

#86C9CD

accent

#DAE246

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C43A33

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

Preview Lab → · Contrast checker → · Palette generator →