#C63F30#C63F30

#C63F30 is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.1% C 0.174 H 29.8°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#C63F30
RGB	rgb(198, 63, 48)
HSL	hsl(6, 61%, 48%)
HSV	hsv(6, 76%, 78%)
CMYK	cmyk(0%, 68.2%, 75.8%, 22.4%)
CIE-LAB	lab(46.68, 52.73, 38.96)
CIE-LCH	lch(46.68, 65.56, 36.46°)
OKLab	oklab(56.06% 0.1509 0.0865)
OKLCH	oklch(56.06% 0.174 29.8)
XYZ	xyz(25.6026, 15.7780, 4.4931)
Luminance	0.1577 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63F30 #30B7C6

analogous

#C6306C #C63F30 #C68A30

triadic

#C63F30 #30C63F #3F30C6

tetradic

#C63F30 #6CC630 #30B7C6 #8A30C6

square

#C63F30 #6CC630 #30B7C6 #8A30C6

split-complementary

#C63F30 #30C68A #306CC6

monochromatic

#632018 #952F24 #C63F30 #D7685C #E3968D

Accessibility & contrast

On white

5.05

#C63F30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#C63F30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63F30

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63F30	#FFFFFF	#000000	##FFFFFF
##C63F30	1.00	5.05	4.15	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665C2D

Deuteranopia (green-blind)

#877A2B

Tritanopia (blue-blind)

#DA133D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c63f30;
/* rgb */ color: rgb(198, 63, 48);
/* oklch */ color: oklch(56.1% 0.174 29.8);

Tailwind

colors: {
  custom: {
    50: '#e07c69',
    500: '#c63f30',
    950: '#000000',
  },
}

SCSS

$custom: #c63f30;
$custom-light: #e07c69;
$custom-dark: #000000;

JSON

{
  "hex": "#c63f30",
  "rgb": {
    "r": 198,
    "g": 63,
    "b": 48
  },
  "hsl": {
    "h": 6,
    "s": 60.976,
    "l": 48.235
  },
  "oklch": {
    "l": 0.56055,
    "c": 0.17397,
    "h": 29.8
  },
  "luminance": 0.15774
}

Semantic roles & 50–950 ramp

primary

#C63F30

secondary

#84C6CE

accent

#D4E444

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C63F30

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

Preview Lab → · Contrast checker → · Palette generator →