#C63F25#C63F25

#C63F25 is a mid, vivid red. Relative luminance 0.157; OKLCH L 55.9% C 0.176 H 32.9°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#C63F25
RGB	rgb(198, 63, 37)
HSL	hsl(10, 69%, 46%)
HSV	hsv(10, 81%, 78%)
CMYK	cmyk(0%, 68.2%, 81.3%, 22.4%)
CIE-LAB	lab(46.58, 52.35, 44.65)
CIE-LCH	lch(46.58, 68.80, 40.46°)
OKLab	oklab(55.94% 0.1476 0.0956)
OKLCH	oklch(55.94% 0.176 32.9)
XYZ	xyz(25.4031, 15.6982, 3.4424)
Luminance	0.1569 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63F25 #25ACC6

analogous

#C6255C #C63F25 #C68F25

triadic

#C63F25 #25C63F #3F25C6

tetradic

#C63F25 #5CC625 #25ACC6 #8F25C6

square

#C63F25 #5CC625 #25ACC6 #8F25C6

split-complementary

#C63F25 #25C68F #255CC6

monochromatic

#5F1E12 #922F1B #C63F25 #DD634B #E78F7E

Accessibility & contrast

On white

5.07

#C63F25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#C63F25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63F25

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63F25	#FFFFFF	#000000	##FFFFFF
##C63F25	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675B21

Deuteranopia (green-blind)

#88791F

Tritanopia (blue-blind)

#DA0F3A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63f25;
/* rgb */ color: rgb(198, 63, 37);
/* oklch */ color: oklch(55.9% 0.176 32.9);

Tailwind

colors: {
  custom: {
    50: '#e07c62',
    500: '#c63f25',
    950: '#000000',
  },
}

SCSS

$custom: #c63f25;
$custom-light: #e07c62;
$custom-dark: #000000;

JSON

{
  "hex": "#c63f25",
  "rgb": {
    "r": 198,
    "g": 63,
    "b": 37
  },
  "hsl": {
    "h": 9.689,
    "s": 68.511,
    "l": 46.078
  },
  "oklch": {
    "l": 0.55942,
    "c": 0.17591,
    "h": 32.9
  },
  "luminance": 0.15694
}

Semantic roles & 50–950 ramp

primary

#C63F25

secondary

#77C1CF

accent

#CFEB3C

background

#FFF7F5

surface

#FEEEEA

border

#D6C9C6

text

#170A05

muted

#857C79

Preview Lab

Preview with #C63F25

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

Preview Lab → · Contrast checker → · Palette generator →