#C63433#C63433

#C63433 is a mid, vivid red. Relative luminance 0.147; OKLCH L 55.0% C 0.183 H 25.9°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#C63433
RGB	rgb(198, 52, 51)
HSL	hsl(0, 59%, 49%)
HSV	hsv(0, 74%, 78%)
CMYK	cmyk(0%, 73.7%, 74.2%, 22.4%)
CIE-LAB	lab(45.23, 56.95, 35.67)
CIE-LCH	lch(45.23, 67.20, 32.06°)
OKLab	oklab(54.98% 0.1648 0.0801)
OKLCH	oklch(54.98% 0.183 25.9)
XYZ	xyz(25.1171, 14.7046, 4.6471)
Luminance	0.1470 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63433 #33C5C6

analogous

#C6337C #C63433 #C67E33

triadic

#C63433 #33C634 #3433C6

tetradic

#C63433 #7CC633 #33C5C6 #7E33C6

square

#C63433 #7CC633 #33C5C6 #7E33C6

split-complementary

#C63433 #33C67E #337CC6

monochromatic

#651A1A #952726 #C63433 #D66160 #E39191

Accessibility & contrast

On white

5.33

#C63433 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#C63433 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63433

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63433	#FFFFFF	#000000	##FFFFFF
##C63433	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)

#5F5731

Deuteranopia (green-blind)

#84772E

Tritanopia (blue-blind)

#DA0036

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c63433;
/* rgb */ color: rgb(198, 52, 51);
/* oklch */ color: oklch(55.0% 0.183 25.9);

Tailwind

colors: {
  custom: {
    50: '#e0766b',
    500: '#c63433',
    950: '#000000',
  },
}

SCSS

$custom: #c63433;
$custom-light: #e0766b;
$custom-dark: #000000;

JSON

{
  "hex": "#c63433",
  "rgb": {
    "r": 198,
    "g": 52,
    "b": 51
  },
  "hsl": {
    "h": 0.408,
    "s": 59.036,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54979,
    "c": 0.18323,
    "h": 25.9
  },
  "luminance": 0.14701
}

Semantic roles & 50–950 ramp

primary

#C63433

secondary

#87CDCD

accent

#E1E246

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C63433

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

Preview Lab → · Contrast checker → · Palette generator →