#C0302B#C0302B

#C0302B is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.5% C 0.182 H 27.4°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#C0302B
RGB	rgb(192, 48, 43)
HSL	hsl(2, 63%, 46%)
HSV	hsv(2, 78%, 75%)
CMYK	cmyk(0%, 75%, 77.6%, 24.7%)
CIE-LAB	lab(43.50, 56.14, 38.01)
CIE-LCH	lch(43.50, 67.80, 34.10°)
OKLab	oklab(53.46% 0.1613 0.0835)
OKLCH	oklch(53.46% 0.182 27.4)
XYZ	xyz(23.2340, 13.4984, 3.6671)
Luminance	0.1349 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0302B #2BBBC0

analogous

#C02B71 #C0302B #C07A2B

triadic

#C0302B #2BC030 #302BC0

tetradic

#C0302B #71C02B #2BBBC0 #7A2BC0

square

#C0302B #71C02B #2BBBC0 #7A2BC0

split-complementary

#C0302B #2BC07A #2B71C0

monochromatic

#5C1715 #8E2320 #C0302B #D85550 #E38682

Accessibility & contrast

On white

5.68

#C0302B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#C0302B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C0302B

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0302B	#FFFFFF	#000000	##FFFFFF
##C0302B	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5329

Deuteranopia (green-blind)

#7F7225

Tritanopia (blue-blind)

#D40031

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #c0302b;
/* rgb */ color: rgb(192, 48, 43);
/* oklch */ color: oklch(53.5% 0.182 27.4);

Tailwind

colors: {
  custom: {
    50: '#dc7465',
    500: '#c0302b',
    950: '#000000',
  },
}

SCSS

$custom: #c0302b;
$custom-light: #dc7465;
$custom-dark: #000000;

JSON

{
  "hex": "#c0302b",
  "rgb": {
    "r": 192,
    "g": 48,
    "b": 43
  },
  "hsl": {
    "h": 2.013,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53461,
    "c": 0.18164,
    "h": 27.4
  },
  "luminance": 0.13495
}

Semantic roles & 50–950 ramp

primary

#C0302B

secondary

#7BC9CC

accent

#E1E641

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#170905

muted

#857B7A

Preview Lab

Preview with #C0302B

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

Preview Lab → · Contrast checker → · Palette generator →