#C63741#C63741

#C63741 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.5% C 0.179 H 21.6°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#C63741
RGB	rgb(198, 55, 65)
HSL	hsl(356, 57%, 50%)
HSV	hsv(356, 72%, 78%)
CMYK	cmyk(0%, 72.2%, 67.2%, 22.4%)
CIE-LAB	lab(45.80, 56.56, 28.11)
CIE-LCH	lch(45.80, 63.16, 26.43°)
OKLab	oklab(55.47% 0.1665 0.066)
OKLCH	oklch(55.47% 0.179 21.6)
XYZ	xyz(25.6118, 15.1236, 6.5705)
Luminance	0.1512 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63741 #37C6BC

analogous

#C63789 #C63741 #C67437

triadic

#C63741 #41C637 #3741C6

tetradic

#C63741 #89C637 #37C6BC #7437C6

square

#C63741 #89C637 #37C6BC #7437C6

split-complementary

#C63741 #37C674 #3789C6

monochromatic

#661C22 #962A31 #C63741 #D4666E #E2969B

Accessibility & contrast

On white

5.22

#C63741 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#C63741 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63741

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63741	#FFFFFF	#000000	##FFFFFF
##C63741	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5940

Deuteranopia (green-blind)

#83783D

Tritanopia (blue-blind)

#D9003C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c63741;
/* rgb */ color: rgb(198, 55, 65);
/* oklch */ color: oklch(55.5% 0.179 21.6);

Tailwind

colors: {
  custom: {
    50: '#df7875',
    500: '#c63741',
    950: '#000000',
  },
}

SCSS

$custom: #c63741;
$custom-light: #df7875;
$custom-dark: #000000;

JSON

{
  "hex": "#c63741",
  "rgb": {
    "r": 198,
    "g": 55,
    "b": 65
  },
  "hsl": {
    "h": 355.804,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55471,
    "c": 0.17914,
    "h": 21.6
  },
  "luminance": 0.1512
}

Semantic roles & 50–950 ramp

primary

#C63741

secondary

#8CCDC9

accent

#E0D548

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63741

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

Preview Lab → · Contrast checker → · Palette generator →