#C63C38#C63C38

#C63C38 is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.8% C 0.175 H 26.3°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#C63C38
RGB	rgb(198, 60, 56)
HSL	hsl(2, 56%, 50%)
HSV	hsv(2, 72%, 78%)
CMYK	cmyk(0%, 69.7%, 71.7%, 22.4%)
CIE-LAB	lab(46.35, 54.25, 34.07)
CIE-LCH	lch(46.35, 64.06, 32.13°)
OKLab	oklab(55.84% 0.1573 0.0777)
OKLCH	oklch(55.84% 0.175 26.3)
XYZ	xyz(25.6212, 15.5268, 5.3885)
Luminance	0.1552 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63C38 #38C2C6

analogous

#C6387B #C63C38 #C68338

triadic

#C63C38 #38C63C #3C38C6

tetradic

#C63C38 #7BC638 #38C2C6 #8338C6

square

#C63C38 #7BC638 #38C2C6 #8338C6

split-complementary

#C63C38 #38C683 #387BC6

monochromatic

#671F1D #962E2B #C63C38 #D46A67 #E29997

Accessibility & contrast

On white

5.12

#C63C38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#C63C38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63C38

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63C38	#FFFFFF	#000000	##FFFFFF
##C63C38	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B36

Deuteranopia (green-blind)

#867933

Tritanopia (blue-blind)

#DA0C3D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63c38;
/* rgb */ color: rgb(198, 60, 56);
/* oklch */ color: oklch(55.8% 0.175 26.3);

Tailwind

colors: {
  custom: {
    50: '#df7a6f',
    500: '#c63c38',
    950: '#000000',
  },
}

SCSS

$custom: #c63c38;
$custom-light: #df7a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#c63c38",
  "rgb": {
    "r": 198,
    "g": 60,
    "b": 56
  },
  "hsl": {
    "h": 1.69,
    "s": 55.906,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55836,
    "c": 0.17547,
    "h": 26.3
  },
  "luminance": 0.15523
}

Semantic roles & 50–950 ramp

primary

#C63C38

secondary

#8DCBCD

accent

#DBDF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C63C38

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

Preview Lab → · Contrast checker → · Palette generator →