#C63540#C63540

#C63540 is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.3% C 0.181 H 21.5°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#C63540
RGB	rgb(198, 53, 64)
HSL	hsl(355, 58%, 49%)
HSV	hsv(355, 73%, 78%)
CMYK	cmyk(0%, 73.2%, 67.7%, 22.4%)
CIE-LAB	lab(45.53, 57.21, 28.38)
CIE-LCH	lch(45.53, 63.86, 26.38°)
OKLab	oklab(55.27% 0.1684 0.0665)
OKLCH	oklch(55.27% 0.181 21.5)
XYZ	xyz(25.4900, 14.9260, 6.3883)
Luminance	0.1492 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63540 #35C6BB

analogous

#C63589 #C63540 #C67335

triadic

#C63540 #40C635 #3540C6

tetradic

#C63540 #89C635 #35C6BB #7335C6

square

#C63540 #89C635 #35C6BB #7335C6

split-complementary

#C63540 #35C673 #3589C6

monochromatic

#651B21 #962830 #C63540 #D5636C #E29399

Accessibility & contrast

On white

5.27

#C63540 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#C63540 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63540

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63540	#FFFFFF	#000000	##FFFFFF
##C63540	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E583F

Deuteranopia (green-blind)

#83773C

Tritanopia (blue-blind)

#D9003A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c63540;
/* rgb */ color: rgb(198, 53, 64);
/* oklch */ color: oklch(55.3% 0.181 21.5);

Tailwind

colors: {
  custom: {
    50: '#df7774',
    500: '#c63540',
    950: '#000000',
  },
}

SCSS

$custom: #c63540;
$custom-light: #df7774;
$custom-dark: #000000;

JSON

{
  "hex": "#c63540",
  "rgb": {
    "r": 198,
    "g": 53,
    "b": 64
  },
  "hsl": {
    "h": 355.448,
    "s": 57.769,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55265,
    "c": 0.18105,
    "h": 21.5
  },
  "luminance": 0.14922
}

Semantic roles & 50–950 ramp

primary

#C63540

secondary

#8ACDC8

accent

#E1D547

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63540

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

Preview Lab → · Contrast checker → · Palette generator →