#C43D33#C43D33

#C43D33 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.5% C 0.173 H 28.3°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#C43D33
RGB	rgb(196, 61, 51)
HSL	hsl(4, 59%, 48%)
HSV	hsv(4, 74%, 77%)
CMYK	cmyk(0%, 68.9%, 74%, 23.1%)
CIE-LAB	lab(46.06, 52.99, 36.51)
CIE-LCH	lch(46.06, 64.34, 34.56°)
OKLab	oklab(55.54% 0.1526 0.082)
OKLCH	oklch(55.54% 0.173 28.3)
XYZ	xyz(25.0340, 15.3160, 4.7694)
Luminance	0.1531 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43D33 #33BAC4

analogous

#C43371 #C43D33 #C48533

triadic

#C43D33 #33C43D #3D33C4

tetradic

#C43D33 #71C433 #33BAC4 #8533C4

square

#C43D33 #71C433 #33BAC4 #8533C4

split-complementary

#C43D33 #33C485 #3371C4

monochromatic

#631F1A #932E26 #C43D33 #D5675F #E2958F

Accessibility & contrast

On white

5.17

#C43D33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#C43D33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43D33

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43D33	#FFFFFF	#000000	##FFFFFF
##C43D33	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645A31

Deuteranopia (green-blind)

#85782E

Tritanopia (blue-blind)

#D8103C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c43d33;
/* rgb */ color: rgb(196, 61, 51);
/* oklch */ color: oklch(55.5% 0.173 28.3);

Tailwind

colors: {
  custom: {
    50: '#de7b6b',
    500: '#c43d33',
    950: '#000000',
  },
}

SCSS

$custom: #c43d33;
$custom-light: #de7b6b;
$custom-dark: #000000;

JSON

{
  "hex": "#c43d33",
  "rgb": {
    "r": 196,
    "g": 61,
    "b": 51
  },
  "hsl": {
    "h": 4.138,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.55537,
    "c": 0.17322,
    "h": 28.3
  },
  "luminance": 0.15312
}

Semantic roles & 50–950 ramp

primary

#C43D33

secondary

#86C8CD

accent

#D7E246

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C43D33

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

Preview Lab → · Contrast checker → · Palette generator →