#C63B2F#C63B2F

#C63B2F is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.6% C 0.178 H 29.0°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#C63B2F
RGB	rgb(198, 59, 47)
HSL	hsl(5, 62%, 48%)
HSV	hsv(5, 76%, 78%)
CMYK	cmyk(0%, 70.2%, 76.3%, 22.4%)
CIE-LAB	lab(46.10, 54.25, 38.89)
CIE-LCH	lch(46.10, 66.75, 35.63°)
OKLab	oklab(55.62% 0.1555 0.0861)
OKLCH	oklch(55.62% 0.178 29)
XYZ	xyz(25.3687, 15.3428, 4.3144)
Luminance	0.1534 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63B2F #2FBAC6

analogous

#C62F6E #C63B2F #C6862F

triadic

#C63B2F #2FC63B #3B2FC6

tetradic

#C63B2F #6EC62F #2FBAC6 #862FC6

square

#C63B2F #6EC62F #2FBAC6 #862FC6

split-complementary

#C63B2F #2FC686 #2F6EC6

monochromatic

#631E18 #952C23 #C63B2F #D8645A #E4938C

Accessibility & contrast

On white

5.16

#C63B2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#C63B2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63B2F

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63B2F	#FFFFFF	#000000	##FFFFFF
##C63B2F	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645A2C

Deuteranopia (green-blind)

#86782A

Tritanopia (blue-blind)

#DA0239

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c63b2f;
/* rgb */ color: rgb(198, 59, 47);
/* oklch */ color: oklch(55.6% 0.178 29.0);

Tailwind

colors: {
  custom: {
    50: '#e07a68',
    500: '#c63b2f',
    950: '#000000',
  },
}

SCSS

$custom: #c63b2f;
$custom-light: #e07a68;
$custom-dark: #000000;

JSON

{
  "hex": "#c63b2f",
  "rgb": {
    "r": 198,
    "g": 59,
    "b": 47
  },
  "hsl": {
    "h": 4.768,
    "s": 61.633,
    "l": 48.039
  },
  "oklch": {
    "l": 0.55616,
    "c": 0.17774,
    "h": 29
  },
  "luminance": 0.15339
}

Semantic roles & 50–950 ramp

primary

#C63B2F

secondary

#83C8CE

accent

#D8E543

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C63B2F

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

Preview Lab → · Contrast checker → · Palette generator →