#C63640#C63640

#C63640 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.4% C 0.180 H 21.8°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#C63640
RGB	rgb(198, 54, 64)
HSL	hsl(356, 57%, 49%)
HSV	hsv(356, 73%, 78%)
CMYK	cmyk(0%, 72.7%, 67.7%, 22.4%)
CIE-LAB	lab(45.66, 56.86, 28.53)
CIE-LCH	lch(45.66, 63.62, 26.65°)
OKLab	oklab(55.36% 0.1673 0.0668)
OKLCH	oklch(55.36% 0.18 21.8)
XYZ	xyz(25.5361, 15.0181, 6.4037)
Luminance	0.1501 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63640 #36C6BC

analogous

#C63688 #C63640 #C67436

triadic

#C63640 #40C636 #3640C6

tetradic

#C63640 #88C636 #36C6BC #7436C6

square

#C63640 #88C636 #36C6BC #7436C6

split-complementary

#C63640 #36C674 #3688C6

monochromatic

#661C21 #962930 #C63640 #D5646C #E2949A

Accessibility & contrast

On white

5.25

#C63640 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#C63640 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63640

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63640	#FFFFFF	#000000	##FFFFFF
##C63640	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F593F

Deuteranopia (green-blind)

#83773C

Tritanopia (blue-blind)

#D9003B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c63640;
/* rgb */ color: rgb(198, 54, 64);
/* oklch */ color: oklch(55.4% 0.180 21.8);

Tailwind

colors: {
  custom: {
    50: '#df7874',
    500: '#c63640',
    950: '#000000',
  },
}

SCSS

$custom: #c63640;
$custom-light: #df7874;
$custom-dark: #000000;

JSON

{
  "hex": "#c63640",
  "rgb": {
    "r": 198,
    "g": 54,
    "b": 64
  },
  "hsl": {
    "h": 355.833,
    "s": 57.143,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55359,
    "c": 0.18013,
    "h": 21.8
  },
  "luminance": 0.15014
}

Semantic roles & 50–950 ramp

primary

#C63640

secondary

#8BCDC9

accent

#E0D647

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63640

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

Preview Lab → · Contrast checker → · Palette generator →