#C63C30#C63C30

#C63C30 is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.7% C 0.177 H 28.9°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#C63C30
RGB	rgb(198, 60, 48)
HSL	hsl(5, 61%, 48%)
HSV	hsv(5, 76%, 78%)
CMYK	cmyk(0%, 69.7%, 75.8%, 22.4%)
CIE-LAB	lab(46.25, 53.91, 38.49)
CIE-LCH	lch(46.25, 66.24, 35.53°)
OKLab	oklab(55.73% 0.1546 0.0855)
OKLCH	oklch(55.73% 0.177 28.9)
XYZ	xyz(25.4410, 15.4547, 4.4392)
Luminance	0.1545 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63C30 #30BAC6

analogous

#C6306F #C63C30 #C68730

triadic

#C63C30 #30C63C #3C30C6

tetradic

#C63C30 #6FC630 #30BAC6 #8730C6

square

#C63C30 #6FC630 #30BAC6 #8730C6

split-complementary

#C63C30 #30C687 #306FC6

monochromatic

#631E18 #952D24 #C63C30 #D7665C #E3948D

Accessibility & contrast

On white

5.13

#C63C30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#C63C30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63C30

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63C30	#FFFFFF	#000000	##FFFFFF
##C63C30	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645A2D

Deuteranopia (green-blind)

#86792B

Tritanopia (blue-blind)

#DA073A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63c30;
/* rgb */ color: rgb(198, 60, 48);
/* oklch */ color: oklch(55.7% 0.177 28.9);

Tailwind

colors: {
  custom: {
    50: '#e07a69',
    500: '#c63c30',
    950: '#000000',
  },
}

SCSS

$custom: #c63c30;
$custom-light: #e07a69;
$custom-dark: #000000;

JSON

{
  "hex": "#c63c30",
  "rgb": {
    "r": 198,
    "g": 60,
    "b": 48
  },
  "hsl": {
    "h": 4.8,
    "s": 60.976,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55732,
    "c": 0.17668,
    "h": 28.9
  },
  "luminance": 0.15451
}

Semantic roles & 50–950 ramp

primary

#C63C30

secondary

#84C8CE

accent

#D7E444

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C63C30

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

Preview Lab → · Contrast checker → · Palette generator →