#C03A3F#C03A3F

#C03A3F is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.7% C 0.170 H 22.8°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#C03A3F
RGB	rgb(192, 58, 63)
HSL	hsl(358, 54%, 49%)
HSV	hsv(358, 70%, 75%)
CMYK	cmyk(0%, 69.8%, 67.2%, 24.7%)
CIE-LAB	lab(45.07, 53.44, 28.16)
CIE-LCH	lch(45.07, 60.41, 27.79°)
OKLab	oklab(54.72% 0.157 0.0661)
OKLCH	oklch(54.72% 0.17 22.8)
XYZ	xyz(24.1510, 14.5950, 6.2471)
Luminance	0.1459 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03A3F #3AC0BB

analogous

#C03A82 #C03A3F #C0783A

triadic

#C03A3F #3FC03A #3A3FC0

tetradic

#C03A3F #82C03A #3AC0BB #783AC0

square

#C03A3F #82C03A #3AC0BB #783AC0

split-complementary

#C03A3F #3AC078 #3A82C0

monochromatic

#621E20 #912C30 #C03A3F #D1666A #DF9598

Accessibility & contrast

On white

5.36

#C03A3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#C03A3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03A3F

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03A3F	#FFFFFF	#000000	##FFFFFF
##C03A3F	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F583E

Deuteranopia (green-blind)

#81753B

Tritanopia (blue-blind)

#D3103D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c03a3f;
/* rgb */ color: rgb(192, 58, 63);
/* oklch */ color: oklch(54.7% 0.170 22.8);

Tailwind

colors: {
  custom: {
    50: '#db7974',
    500: '#c03a3f',
    950: '#000000',
  },
}

SCSS

$custom: #c03a3f;
$custom-light: #db7974;
$custom-dark: #000000;

JSON

{
  "hex": "#c03a3f",
  "rgb": {
    "r": 192,
    "g": 58,
    "b": 63
  },
  "hsl": {
    "h": 357.761,
    "s": 53.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54716,
    "c": 0.17031,
    "h": 22.8
  },
  "luminance": 0.14591
}

Semantic roles & 50–950 ramp

primary

#C03A3F

secondary

#8BCAC8

accent

#DDD84B

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#160A08

muted

#847C7B

Preview Lab

Preview with #C03A3F

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

Preview Lab → · Contrast checker → · Palette generator →