#C6363B#C6363B

#C6363B is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.3% C 0.181 H 23.6°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#C6363B
RGB	rgb(198, 54, 59)
HSL	hsl(358, 57%, 49%)
HSV	hsv(358, 73%, 78%)
CMYK	cmyk(0%, 72.7%, 70.2%, 22.4%)
CIE-LAB	lab(45.58, 56.61, 31.42)
CIE-LCH	lch(45.58, 64.74, 29.03°)
OKLab	oklab(55.28% 0.1654 0.0724)
OKLCH	oklch(55.28% 0.181 23.6)
XYZ	xyz(25.4001, 14.9637, 5.6877)
Luminance	0.1496 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C6363B #36C6C1

analogous

#C63683 #C6363B #C67936

triadic

#C6363B #3BC636 #363BC6

tetradic

#C6363B #83C636 #36C6C1 #7936C6

square

#C6363B #83C636 #36C6C1 #7936C6

split-complementary

#C6363B #36C679 #3683C6

monochromatic

#661C1E #96292D #C6363B #D56468 #E29497

Accessibility & contrast

On white

5.26

#C6363B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#C6363B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C6363B

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C6363B	#FFFFFF	#000000	##FFFFFF
##C6363B	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60583A

Deuteranopia (green-blind)

#847736

Tritanopia (blue-blind)

#DA0039

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c6363b;
/* rgb */ color: rgb(198, 54, 59);
/* oklch */ color: oklch(55.3% 0.181 23.6);

Tailwind

colors: {
  custom: {
    50: '#e07871',
    500: '#c6363b',
    950: '#000000',
  },
}

SCSS

$custom: #c6363b;
$custom-light: #e07871;
$custom-dark: #000000;

JSON

{
  "hex": "#c6363b",
  "rgb": {
    "r": 198,
    "g": 54,
    "b": 59
  },
  "hsl": {
    "h": 357.917,
    "s": 57.143,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55279,
    "c": 0.18058,
    "h": 23.6
  },
  "luminance": 0.1496
}

Semantic roles & 50–950 ramp

primary

#C6363B

secondary

#8BCDCB

accent

#E0DB47

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C6363B

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

Preview Lab → · Contrast checker → · Palette generator →