#C63440#C63440

#C63440 is a mid, vivid red. Relative luminance 0.148; OKLCH L 55.2% C 0.182 H 21.3°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#C63440
RGB	rgb(198, 52, 64)
HSL	hsl(355, 58%, 49%)
HSV	hsv(355, 74%, 78%)
CMYK	cmyk(0%, 73.7%, 67.7%, 22.4%)
CIE-LAB	lab(45.41, 57.56, 28.22)
CIE-LCH	lch(45.41, 64.10, 26.12°)
OKLab	oklab(55.17% 0.1695 0.0661)
OKLCH	oklch(55.17% 0.182 21.3)
XYZ	xyz(25.4449, 14.8357, 6.3733)
Luminance	0.1483 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63440 #34C6BA

analogous

#C63489 #C63440 #C67134

triadic

#C63440 #40C634 #3440C6

tetradic

#C63440 #89C634 #34C6BA #7134C6

square

#C63440 #89C634 #34C6BA #7134C6

split-complementary

#C63440 #34C671 #3489C6

monochromatic

#651B21 #962730 #C63440 #D6626B #E29299

Accessibility & contrast

On white

5.29

#C63440 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#C63440 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63440

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63440	#FFFFFF	#000000	##FFFFFF
##C63440	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E583F

Deuteranopia (green-blind)

#83773C

Tritanopia (blue-blind)

#D9003A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c63440;
/* rgb */ color: rgb(198, 52, 64);
/* oklch */ color: oklch(55.2% 0.182 21.3);

Tailwind

colors: {
  custom: {
    50: '#df7774',
    500: '#c63440',
    950: '#000000',
  },
}

SCSS

$custom: #c63440;
$custom-light: #df7774;
$custom-dark: #000000;

JSON

{
  "hex": "#c63440",
  "rgb": {
    "r": 198,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 355.068,
    "s": 58.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55172,
    "c": 0.18195,
    "h": 21.3
  },
  "luminance": 0.14832
}

Semantic roles & 50–950 ramp

primary

#C63440

secondary

#89CDC8

accent

#E2D546

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170908

muted

#857B7B

Preview Lab

Preview with #C63440

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

Preview Lab → · Contrast checker → · Palette generator →