#C63A25#C63A25

#C63A25 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.4% C 0.180 H 31.5°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#C63A25
RGB	rgb(198, 58, 37)
HSL	hsl(8, 69%, 46%)
HSV	hsv(8, 81%, 78%)
CMYK	cmyk(0%, 70.7%, 81.3%, 22.4%)
CIE-LAB	lab(45.87, 54.29, 43.97)
CIE-LCH	lch(45.87, 69.86, 39.00°)
OKLab	oklab(55.41% 0.1537 0.0941)
OKLCH	oklch(55.41% 0.18 31.5)
XYZ	xyz(25.1387, 15.1693, 3.3542)
Luminance	0.1517 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63A25 #25B1C6

analogous

#C62560 #C63A25 #C68A25

triadic

#C63A25 #25C63A #3A25C6

tetradic

#C63A25 #60C625 #25B1C6 #8A25C6

square

#C63A25 #60C625 #25B1C6 #8A25C6

split-complementary

#C63A25 #25C68A #2560C6

monochromatic

#5F1C12 #922B1B #C63A25 #DD5E4B #E78C7E

Accessibility & contrast

On white

5.21

#C63A25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#C63A25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63A25

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63A25	#FFFFFF	#000000	##FFFFFF
##C63A25	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645921

Deuteranopia (green-blind)

#86781E

Tritanopia (blue-blind)

#DA0037

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c63a25;
/* rgb */ color: rgb(198, 58, 37);
/* oklch */ color: oklch(55.4% 0.180 31.5);

Tailwind

colors: {
  custom: {
    50: '#e17962',
    500: '#c63a25',
    950: '#000000',
  },
}

SCSS

$custom: #c63a25;
$custom-light: #e17962;
$custom-dark: #000000;

JSON

{
  "hex": "#c63a25",
  "rgb": {
    "r": 198,
    "g": 58,
    "b": 37
  },
  "hsl": {
    "h": 7.826,
    "s": 68.511,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5541,
    "c": 0.18021,
    "h": 31.5
  },
  "luminance": 0.15165
}

Semantic roles & 50–950 ramp

primary

#C63A25

secondary

#77C4CF

accent

#D5EB3C

background

#FFF7F5

surface

#FEEEEA

border

#D6C9C6

text

#170A05

muted

#857C79

Preview Lab

Preview with #C63A25

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

Preview Lab → · Contrast checker → · Palette generator →