#C0303E#C0303E

#C0303E is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.7% C 0.180 H 20.7°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#C0303E
RGB	rgb(192, 48, 62)
HSL	hsl(354, 60%, 47%)
HSV	hsv(354, 75%, 75%)
CMYK	cmyk(0%, 75%, 67.7%, 24.7%)
CIE-LAB	lab(43.76, 56.98, 27.14)
CIE-LCH	lch(43.76, 63.12, 25.47°)
OKLab	oklab(53.73% 0.168 0.0637)
OKLCH	oklch(53.73% 0.18 20.7)
XYZ	xyz(23.6673, 13.6718, 5.9492)
Luminance	0.1367 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0303E #30C0B2

analogous

#C03086 #C0303E #C06A30

triadic

#C0303E #3EC030 #303EC0

tetradic

#C0303E #86C030 #30C0B2 #6A30C0

square

#C0303E #86C030 #30C0B2 #6A30C0

split-complementary

#C0303E #30C06A #3086C0

monochromatic

#5E181E #8F242E #C0303E #D55864 #E18992

Accessibility & contrast

On white

5.62

#C0303E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#C0303E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C0303E

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0303E	#FFFFFF	#000000	##FFFFFF
##C0303E	1.00	5.62	3.73	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A543D

Deuteranopia (green-blind)

#7E723A

Tritanopia (blue-blind)

#D30037

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #c0303e;
/* rgb */ color: rgb(192, 48, 62);
/* oklch */ color: oklch(53.7% 0.180 20.7);

Tailwind

colors: {
  custom: {
    50: '#db7473',
    500: '#c0303e',
    950: '#000000',
  },
}

SCSS

$custom: #c0303e;
$custom-light: #db7473;
$custom-dark: #000000;

JSON

{
  "hex": "#c0303e",
  "rgb": {
    "r": 192,
    "g": 48,
    "b": 62
  },
  "hsl": {
    "h": 354.167,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.5373,
    "c": 0.17969,
    "h": 20.7
  },
  "luminance": 0.13668
}

Semantic roles & 50–950 ramp

primary

#C0303E

secondary

#80CBC4

accent

#E3D445

background

#FEF7F6

surface

#FDEDEC

border

#D5C8C7

text

#160908

muted

#847B7B

Preview Lab

Preview with #C0303E

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

Preview Lab → · Contrast checker → · Palette generator →