#C43733#C43733

#C43733 is a mid, vivid red. Relative luminance 0.147; OKLCH L 54.9% C 0.179 H 26.6°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#C43733
RGB	rgb(196, 55, 51)
HSL	hsl(2, 59%, 48%)
HSV	hsv(2, 74%, 77%)
CMYK	cmyk(0%, 71.9%, 74%, 23.1%)
CIE-LAB	lab(45.24, 55.26, 35.58)
CIE-LCH	lch(45.24, 65.72, 32.77°)
OKLab	oklab(54.92% 0.1597 0.08)
OKLCH	oklch(54.92% 0.179 26.6)
XYZ	xyz(24.7315, 14.7109, 4.6686)
Luminance	0.1471 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43733 #33C0C4

analogous

#C43377 #C43733 #C47F33

triadic

#C43733 #33C437 #3733C4

tetradic

#C43733 #77C433 #33C0C4 #7F33C4

square

#C43733 #77C433 #33C0C4 #7F33C4

split-complementary

#C43733 #33C47F #3377C4

monochromatic

#631C1A #932926 #C43733 #D5625F #E2928F

Accessibility & contrast

On white

5.33

#C43733 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#C43733 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43733

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43733	#FFFFFF	#000000	##FFFFFF
##C43733	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605831

Deuteranopia (green-blind)

#83762E

Tritanopia (blue-blind)

#D80038

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c43733;
/* rgb */ color: rgb(196, 55, 51);
/* oklch */ color: oklch(54.9% 0.179 26.6);

Tailwind

colors: {
  custom: {
    50: '#de786b',
    500: '#c43733',
    950: '#000000',
  },
}

SCSS

$custom: #c43733;
$custom-light: #de786b;
$custom-dark: #000000;

JSON

{
  "hex": "#c43733",
  "rgb": {
    "r": 196,
    "g": 55,
    "b": 51
  },
  "hsl": {
    "h": 1.655,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54917,
    "c": 0.17864,
    "h": 26.6
  },
  "luminance": 0.14707
}

Semantic roles & 50–950 ramp

primary

#C43733

secondary

#86CBCD

accent

#DEE246

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C43733

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

Preview Lab → · Contrast checker → · Palette generator →