#C63328#C63328

#C63328 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.8% C 0.186 H 28.9°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#C63328
RGB	rgb(198, 51, 40)
HSL	hsl(4, 66%, 47%)
HSV	hsv(4, 80%, 78%)
CMYK	cmyk(0%, 74.2%, 79.8%, 22.4%)
CIE-LAB	lab(44.98, 56.89, 41.54)
CIE-LCH	lch(44.98, 70.44, 36.13°)
OKLab	oklab(54.76% 0.1624 0.0898)
OKLCH	oklch(54.76% 0.186 28.9)
XYZ	xyz(24.8585, 14.5305, 3.5028)
Luminance	0.1453 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63328 #28BBC6

analogous

#C6286C #C63328 #C68228

triadic

#C63328 #28C633 #3328C6

tetradic

#C63328 #6CC628 #28BBC6 #8228C6

square

#C63328 #6CC628 #28BBC6 #8228C6

split-complementary

#C63328 #28C682 #286CC6

monochromatic

#601913 #93261E #C63328 #DC5950 #E68983

Accessibility & contrast

On white

5.38

#C63328 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#C63328 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63328

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63328	#FFFFFF	#000000	##FFFFFF
##C63328	1.00	5.38	3.91	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605625

Deuteranopia (green-blind)

#847621

Tritanopia (blue-blind)

#DA0032

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c63328;
/* rgb */ color: rgb(198, 51, 40);
/* oklch */ color: oklch(54.8% 0.186 28.9);

Tailwind

colors: {
  custom: {
    50: '#e17663',
    500: '#c63328',
    950: '#000000',
  },
}

SCSS

$custom: #c63328;
$custom-light: #e17663;
$custom-dark: #000000;

JSON

{
  "hex": "#c63328",
  "rgb": {
    "r": 198,
    "g": 51,
    "b": 40
  },
  "hsl": {
    "h": 4.177,
    "s": 66.387,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5476,
    "c": 0.18554,
    "h": 28.9
  },
  "luminance": 0.14527
}

Semantic roles & 50–950 ramp

primary

#C63328

secondary

#7BC9CF

accent

#DDE93E

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170905

muted

#857B7A

Preview Lab

Preview with #C63328

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

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