#C63128#C63128

#C63128 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.6% C 0.187 H 28.5°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#C63128
RGB	rgb(198, 49, 40)
HSL	hsl(3, 66%, 47%)
HSV	hsv(3, 80%, 78%)
CMYK	cmyk(0%, 75.3%, 79.8%, 22.4%)
CIE-LAB	lab(44.74, 57.56, 41.30)
CIE-LCH	lch(44.74, 70.84, 35.66°)
OKLab	oklab(54.58% 0.1645 0.0893)
OKLCH	oklch(54.58% 0.187 28.5)
XYZ	xyz(24.7730, 14.3595, 3.4743)
Luminance	0.1436 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63128 #28BDC6

analogous

#C6286E #C63128 #C68028

triadic

#C63128 #28C631 #3128C6

tetradic

#C63128 #6EC628 #28BDC6 #8028C6

square

#C63128 #6EC628 #28BDC6 #8028C6

split-complementary

#C63128 #28C680 #286EC6

monochromatic

#601813 #93241E #C63128 #DC5850 #E68883

Accessibility & contrast

On white

5.42

#C63128 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#C63128 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63128

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63128	#FFFFFF	#000000	##FFFFFF
##C63128	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	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: #c63128;
/* rgb */ color: rgb(198, 49, 40);
/* oklch */ color: oklch(54.6% 0.187 28.5);

Tailwind

colors: {
  custom: {
    50: '#e17563',
    500: '#c63128',
    950: '#000000',
  },
}

SCSS

$custom: #c63128;
$custom-light: #e17563;
$custom-dark: #000000;

JSON

{
  "hex": "#c63128",
  "rgb": {
    "r": 198,
    "g": 49,
    "b": 40
  },
  "hsl": {
    "h": 3.418,
    "s": 66.387,
    "l": 46.667
  },
  "oklch": {
    "l": 0.54581,
    "c": 0.18712,
    "h": 28.5
  },
  "luminance": 0.14356
}

Semantic roles & 50–950 ramp

primary

#C63128

secondary

#7BCACF

accent

#E0E93E

background

#FFF7F6

surface

#FEEDEB

border

#D6C8C6

text

#170905

muted

#857B7A

Preview Lab

Preview with #C63128

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

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