#C43533#C43533

#C43533 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.7% C 0.180 H 26.1°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#C43533
RGB	rgb(196, 53, 51)
HSL	hsl(1, 59%, 48%)
HSV	hsv(1, 74%, 77%)
CMYK	cmyk(0%, 73%, 74%, 23.1%)
CIE-LAB	lab(44.98, 55.98, 35.29)
CIE-LCH	lch(44.98, 66.17, 32.23°)
OKLab	oklab(54.72% 0.162 0.0794)
OKLCH	oklch(54.72% 0.18 26.1)
XYZ	xyz(24.6384, 14.5248, 4.6376)
Luminance	0.1452 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43533 #33C2C4

analogous

#C43379 #C43533 #C47E33

triadic

#C43533 #33C435 #3533C4

tetradic

#C43533 #79C433 #33C2C4 #7E33C4

square

#C43533 #79C433 #33C2C4 #7E33C4

split-complementary

#C43533 #33C47E #3379C4

monochromatic

#631B1A #932826 #C43533 #D5615F #E2918F

Accessibility & contrast

On white

5.38

#C43533 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#C43533 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43533

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43533	#FFFFFF	#000000	##FFFFFF
##C43533	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5731

Deuteranopia (green-blind)

#83762E

Tritanopia (blue-blind)

#D80036

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c43533;
/* rgb */ color: rgb(196, 53, 51);
/* oklch */ color: oklch(54.7% 0.180 26.1);

Tailwind

colors: {
  custom: {
    50: '#df776b',
    500: '#c43533',
    950: '#000000',
  },
}

SCSS

$custom: #c43533;
$custom-light: #df776b;
$custom-dark: #000000;

JSON

{
  "hex": "#c43533",
  "rgb": {
    "r": 196,
    "g": 53,
    "b": 51
  },
  "hsl": {
    "h": 0.828,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54724,
    "c": 0.18039,
    "h": 26.1
  },
  "luminance": 0.14521
}

Semantic roles & 50–950 ramp

primary

#C43533

secondary

#86CCCD

accent

#E0E246

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C43533

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

Preview Lab → · Contrast checker → · Palette generator →