#C63428#C63428

#C63428 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.9% C 0.185 H 29.2°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#C63428
RGB	rgb(198, 52, 40)
HSL	hsl(5, 66%, 47%)
HSV	hsv(5, 80%, 78%)
CMYK	cmyk(0%, 73.7%, 79.8%, 22.4%)
CIE-LAB	lab(45.11, 56.55, 41.66)
CIE-LCH	lch(45.11, 70.24, 36.38°)
OKLab	oklab(54.85% 0.1613 0.0901)
OKLCH	oklch(54.85% 0.185 29.2)
XYZ	xyz(24.9027, 14.6189, 3.5176)
Luminance	0.1462 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63428 #28BAC6

analogous

#C6286B #C63428 #C68328

triadic

#C63428 #28C634 #3428C6

tetradic

#C63428 #6BC628 #28BAC6 #8328C6

square

#C63428 #6BC628 #28BAC6 #8328C6

split-complementary

#C63428 #28C683 #286BC6

monochromatic

#601913 #93271E #C63428 #DC5A50 #E68A83

Accessibility & contrast

On white

5.35

#C63428 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#C63428 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63428

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63428	#FFFFFF	#000000	##FFFFFF
##C63428	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605625

Deuteranopia (green-blind)

#847621

Tritanopia (blue-blind)

#DA0033

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c63428;
/* rgb */ color: rgb(198, 52, 40);
/* oklch */ color: oklch(54.9% 0.185 29.2);

Tailwind

colors: {
  custom: {
    50: '#e17663',
    500: '#c63428',
    950: '#000000',
  },
}

SCSS

$custom: #c63428;
$custom-light: #e17663;
$custom-dark: #000000;

JSON

{
  "hex": "#c63428",
  "rgb": {
    "r": 198,
    "g": 52,
    "b": 40
  },
  "hsl": {
    "h": 4.557,
    "s": 66.387,
    "l": 46.667
  },
  "oklch": {
    "l": 0.54852,
    "c": 0.18474,
    "h": 29.2
  },
  "luminance": 0.14615
}

Semantic roles & 50–950 ramp

primary

#C63428

secondary

#7BC8CF

accent

#DCE93E

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170905

muted

#857B7A

Preview Lab

Preview with #C63428

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

Preview Lab → · Contrast checker → · Palette generator →