#C63A35#C63A35

#C63A35 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.6% C 0.178 H 26.8°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#C63A35
RGB	rgb(198, 58, 53)
HSL	hsl(2, 58%, 49%)
HSV	hsv(2, 73%, 78%)
CMYK	cmyk(0%, 70.7%, 73.2%, 22.4%)
CIE-LAB	lab(46.03, 54.88, 35.43)
CIE-LCH	lch(46.03, 65.32, 32.85°)
OKLab	oklab(55.59% 0.1587 0.08)
OKLCH	oklch(55.59% 0.178 26.8)
XYZ	xyz(25.4472, 15.2927, 4.9793)
Luminance	0.1529 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63A35 #35C1C6

analogous

#C63579 #C63A35 #C68335

triadic

#C63A35 #35C63A #3A35C6

tetradic

#C63A35 #79C635 #35C1C6 #8335C6

square

#C63A35 #79C635 #35C1C6 #8335C6

split-complementary

#C63A35 #35C683 #3579C6

monochromatic

#651E1B #962C28 #C63A35 #D56763 #E29693

Accessibility & contrast

On white

5.18

#C63A35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#C63A35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63A35

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63A35	#FFFFFF	#000000	##FFFFFF
##C63A35	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625A33

Deuteranopia (green-blind)

#857830

Tritanopia (blue-blind)

#DA013A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c63a35;
/* rgb */ color: rgb(198, 58, 53);
/* oklch */ color: oklch(55.6% 0.178 26.8);

Tailwind

colors: {
  custom: {
    50: '#e0796d',
    500: '#c63a35',
    950: '#000000',
  },
}

SCSS

$custom: #c63a35;
$custom-light: #e0796d;
$custom-dark: #000000;

JSON

{
  "hex": "#c63a35",
  "rgb": {
    "r": 198,
    "g": 58,
    "b": 53
  },
  "hsl": {
    "h": 2.069,
    "s": 57.769,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55588,
    "c": 0.17772,
    "h": 26.8
  },
  "luminance": 0.15289
}

Semantic roles & 50–950 ramp

primary

#C63A35

secondary

#8ACBCD

accent

#DCE147

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C63A35

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

Preview Lab → · Contrast checker → · Palette generator →