#C63F34#C63F34

#C63F34 is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.1% C 0.173 H 28.5°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#C63F34
RGB	rgb(198, 63, 52)
HSL	hsl(5, 58%, 49%)
HSV	hsv(5, 74%, 78%)
CMYK	cmyk(0%, 68.2%, 73.7%, 22.4%)
CIE-LAB	lab(46.73, 52.90, 36.78)
CIE-LCH	lch(46.73, 64.43, 34.81°)
OKLab	oklab(56.1% 0.1523 0.0828)
OKLCH	oklch(56.1% 0.173 28.5)
XYZ	xyz(25.6889, 15.8125, 4.9476)
Luminance	0.1581 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63F34 #34BBC6

analogous

#C63472 #C63F34 #C68834

triadic

#C63F34 #34C63F #3F34C6

tetradic

#C63F34 #72C634 #34BBC6 #8834C6

square

#C63F34 #72C634 #34BBC6 #8834C6

split-complementary

#C63F34 #34C688 #3472C6

monochromatic

#65201B #963027 #C63F34 #D66A62 #E29892

Accessibility & contrast

On white

5.05

#C63F34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#C63F34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63F34

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63F34	#FFFFFF	#000000	##FFFFFF
##C63F34	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C32

Deuteranopia (green-blind)

#877A2F

Tritanopia (blue-blind)

#DA143E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c63f34;
/* rgb */ color: rgb(198, 63, 52);
/* oklch */ color: oklch(56.1% 0.173 28.5);

Tailwind

colors: {
  custom: {
    50: '#e07c6c',
    500: '#c63f34',
    950: '#000000',
  },
}

SCSS

$custom: #c63f34;
$custom-light: #e07c6c;
$custom-dark: #000000;

JSON

{
  "hex": "#c63f34",
  "rgb": {
    "r": 198,
    "g": 63,
    "b": 52
  },
  "hsl": {
    "h": 4.521,
    "s": 58.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.56104,
    "c": 0.17328,
    "h": 28.5
  },
  "luminance": 0.15809
}

Semantic roles & 50–950 ramp

primary

#C63F34

secondary

#89C8CD

accent

#D6E246

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C63F34

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

Preview Lab → · Contrast checker → · Palette generator →