#C63F27#C63F27

#C63F27 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.0% C 0.176 H 32.4°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#C63F27
RGB	rgb(198, 63, 39)
HSL	hsl(9, 67%, 46%)
HSV	hsv(9, 80%, 78%)
CMYK	cmyk(0%, 68.2%, 80.3%, 22.4%)
CIE-LAB	lab(46.59, 52.41, 43.65)
CIE-LCH	lch(46.59, 68.21, 39.79°)
OKLab	oklab(55.96% 0.1482 0.0941)
OKLCH	oklch(55.96% 0.176 32.4)
XYZ	xyz(25.4354, 15.7111, 3.6123)
Luminance	0.1571 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63F27 #27AEC6

analogous

#C6275E #C63F27 #C68F27

triadic

#C63F27 #27C63F #3F27C6

tetradic

#C63F27 #5EC627 #27AEC6 #8F27C6

square

#C63F27 #5EC627 #27AEC6 #8F27C6

split-complementary

#C63F27 #27C68F #275EC6

monochromatic

#601E13 #932F1D #C63F27 #DC644E #E69081

Accessibility & contrast

On white

5.07

#C63F27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#C63F27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63F27

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63F27	#FFFFFF	#000000	##FFFFFF
##C63F27	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665B23

Deuteranopia (green-blind)

#887921

Tritanopia (blue-blind)

#DA103B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63f27;
/* rgb */ color: rgb(198, 63, 39);
/* oklch */ color: oklch(56.0% 0.176 32.4);

Tailwind

colors: {
  custom: {
    50: '#e07c63',
    500: '#c63f27',
    950: '#000000',
  },
}

SCSS

$custom: #c63f27;
$custom-light: #e07c63;
$custom-dark: #000000;

JSON

{
  "hex": "#c63f27",
  "rgb": {
    "r": 198,
    "g": 63,
    "b": 39
  },
  "hsl": {
    "h": 9.057,
    "s": 67.089,
    "l": 46.471
  },
  "oklch": {
    "l": 0.5596,
    "c": 0.17555,
    "h": 32.4
  },
  "luminance": 0.15707
}

Semantic roles & 50–950 ramp

primary

#C63F27

secondary

#7AC2CF

accent

#D0EA3E

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A05

muted

#857C7A

Preview Lab

Preview with #C63F27

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

Preview Lab → · Contrast checker → · Palette generator →