#C63228#C63228

#C63228 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.7% C 0.186 H 28.7°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#C63228
RGB	rgb(198, 50, 40)
HSL	hsl(4, 66%, 47%)
HSV	hsv(4, 80%, 78%)
CMYK	cmyk(0%, 74.7%, 79.8%, 22.4%)
CIE-LAB	lab(44.86, 57.23, 41.42)
CIE-LCH	lch(44.86, 70.64, 35.89°)
OKLab	oklab(54.67% 0.1634 0.0895)
OKLCH	oklch(54.67% 0.186 28.7)
XYZ	xyz(24.8153, 14.4441, 3.4884)
Luminance	0.1444 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63228 #28BCC6

analogous

#C6286D #C63228 #C68128

triadic

#C63228 #28C632 #3228C6

tetradic

#C63228 #6DC628 #28BCC6 #8128C6

square

#C63228 #6DC628 #28BCC6 #8128C6

split-complementary

#C63228 #28C681 #286DC6

monochromatic

#601813 #93251E #C63228 #DC5850 #E68983

Accessibility & contrast

On white

5.40

#C63228 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#C63228 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63228

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63228	#FFFFFF	#000000	##FFFFFF
##C63228	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5525

Deuteranopia (green-blind)

#847621

Tritanopia (blue-blind)

#DA0031

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c63228;
/* rgb */ color: rgb(198, 50, 40);
/* oklch */ color: oklch(54.7% 0.186 28.7);

Tailwind

colors: {
  custom: {
    50: '#e17563',
    500: '#c63228',
    950: '#000000',
  },
}

SCSS

$custom: #c63228;
$custom-light: #e17563;
$custom-dark: #000000;

JSON

{
  "hex": "#c63228",
  "rgb": {
    "r": 198,
    "g": 50,
    "b": 40
  },
  "hsl": {
    "h": 3.797,
    "s": 66.387,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5467,
    "c": 0.18633,
    "h": 28.7
  },
  "luminance": 0.1444
}

Semantic roles & 50–950 ramp

primary

#C63228

secondary

#7BC9CF

accent

#DFE93E

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170905

muted

#857B7A

Preview Lab

Preview with #C63228

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

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