#C63533#C63533

#C63533 is a mid, vivid red. Relative luminance 0.148; OKLCH L 55.1% C 0.182 H 26.2°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#C63533
RGB	rgb(198, 53, 51)
HSL	hsl(1, 59%, 49%)
HSV	hsv(1, 74%, 78%)
CMYK	cmyk(0%, 73.2%, 74.2%, 22.4%)
CIE-LAB	lab(45.35, 56.60, 35.81)
CIE-LCH	lch(45.35, 66.98, 32.32°)
OKLab	oklab(55.07% 0.1637 0.0804)
OKLCH	oklch(55.07% 0.182 26.2)
XYZ	xyz(25.1622, 14.7949, 4.6621)
Luminance	0.1479 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63533 #33C4C6

analogous

#C6337B #C63533 #C67F33

triadic

#C63533 #33C635 #3533C6

tetradic

#C63533 #7BC633 #33C4C6 #7F33C6

square

#C63533 #7BC633 #33C4C6 #7F33C6

split-complementary

#C63533 #33C67F #337BC6

monochromatic

#651B1A #952826 #C63533 #D66260 #E39291

Accessibility & contrast

On white

5.31

#C63533 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#C63533 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63533

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63533	#FFFFFF	#000000	##FFFFFF
##C63533	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605731

Deuteranopia (green-blind)

#84772E

Tritanopia (blue-blind)

#DA0036

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c63533;
/* rgb */ color: rgb(198, 53, 51);
/* oklch */ color: oklch(55.1% 0.182 26.2);

Tailwind

colors: {
  custom: {
    50: '#e0776b',
    500: '#c63533',
    950: '#000000',
  },
}

SCSS

$custom: #c63533;
$custom-light: #e0776b;
$custom-dark: #000000;

JSON

{
  "hex": "#c63533",
  "rgb": {
    "r": 198,
    "g": 53,
    "b": 51
  },
  "hsl": {
    "h": 0.816,
    "s": 59.036,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55072,
    "c": 0.18239,
    "h": 26.2
  },
  "luminance": 0.14791
}

Semantic roles & 50–950 ramp

primary

#C63533

secondary

#87CCCD

accent

#E0E246

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C63533

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

Preview Lab → · Contrast checker → · Palette generator →