#C63F35#C63F35

#C63F35 is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.1% C 0.173 H 28.2°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#C63F35
RGB	rgb(198, 63, 53)
HSL	hsl(4, 58%, 49%)
HSV	hsv(4, 73%, 78%)
CMYK	cmyk(0%, 68.2%, 73.2%, 22.4%)
CIE-LAB	lab(46.74, 52.94, 36.23)
CIE-LCH	lch(46.74, 64.15, 34.39°)
OKLab	oklab(56.12% 0.1526 0.0818)
OKLCH	oklch(56.12% 0.173 28.2)
XYZ	xyz(25.7117, 15.8216, 5.0675)
Luminance	0.1582 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63F35 #35BCC6

analogous

#C63574 #C63F35 #C68835

triadic

#C63F35 #35C63F #3F35C6

tetradic

#C63F35 #74C635 #35BCC6 #8835C6

square

#C63F35 #74C635 #35BCC6 #8835C6

split-complementary

#C63F35 #35C688 #3574C6

monochromatic

#65201B #963028 #C63F35 #D56B63 #E29993

Accessibility & contrast

On white

5.04

#C63F35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#C63F35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63F35

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63F35	#FFFFFF	#000000	##FFFFFF
##C63F35	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C33

Deuteranopia (green-blind)

#877A30

Tritanopia (blue-blind)

#DA143E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c63f35;
/* rgb */ color: rgb(198, 63, 53);
/* oklch */ color: oklch(56.1% 0.173 28.2);

Tailwind

colors: {
  custom: {
    50: '#e07c6d',
    500: '#c63f35',
    950: '#000000',
  },
}

SCSS

$custom: #c63f35;
$custom-light: #e07c6d;
$custom-dark: #000000;

JSON

{
  "hex": "#c63f35",
  "rgb": {
    "r": 198,
    "g": 63,
    "b": 53
  },
  "hsl": {
    "h": 4.138,
    "s": 57.769,
    "l": 49.216
  },
  "oklch": {
    "l": 0.56117,
    "c": 0.17312,
    "h": 28.2
  },
  "luminance": 0.15818
}

Semantic roles & 50–950 ramp

primary

#C63F35

secondary

#8AC9CD

accent

#D6E147

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C63F35

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

Preview Lab → · Contrast checker → · Palette generator →