#C03D3B#C03D3B

#C03D3B is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.0% C 0.168 H 25.3°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#C03D3B
RGB	rgb(192, 61, 59)
HSL	hsl(1, 53%, 49%)
HSV	hsv(1, 69%, 75%)
CMYK	cmyk(0%, 68.2%, 69.3%, 24.7%)
CIE-LAB	lab(45.45, 52.05, 30.99)
CIE-LCH	lch(45.45, 60.57, 30.77°)
OKLab	oklab(54.97% 0.1517 0.0717)
OKLCH	oklch(54.97% 0.168 25.3)
XYZ	xyz(24.1990, 14.8632, 5.7315)
Luminance	0.1486 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03D3B #3BBEC0

analogous

#C03B7C #C03D3B #C0803B

triadic

#C03D3B #3BC03D #3D3BC0

tetradic

#C03D3B #7CC03B #3BBEC0 #803BC0

square

#C03D3B #7CC03B #3BBEC0 #803BC0

split-complementary

#C03D3B #3BC080 #3B7CC0

monochromatic

#621F1E #912E2D #C03D3B #D16968 #DF9897

Accessibility & contrast

On white

5.29

#C03D3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#C03D3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03D3B

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03D3B	#FFFFFF	#000000	##FFFFFF
##C03D3B	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)

#615A3A

Deuteranopia (green-blind)

#827637

Tritanopia (blue-blind)

#D3173E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c03d3b;
/* rgb */ color: rgb(192, 61, 59);
/* oklch */ color: oklch(55.0% 0.168 25.3);

Tailwind

colors: {
  custom: {
    50: '#db7a71',
    500: '#c03d3b',
    950: '#000000',
  },
}

SCSS

$custom: #c03d3b;
$custom-light: #db7a71;
$custom-dark: #000000;

JSON

{
  "hex": "#c03d3b",
  "rgb": {
    "r": 192,
    "g": 61,
    "b": 59
  },
  "hsl": {
    "h": 0.902,
    "s": 52.988,
    "l": 49.216
  },
  "oklch": {
    "l": 0.54974,
    "c": 0.16784,
    "h": 25.3
  },
  "luminance": 0.1486
}

Semantic roles & 50–950 ramp

primary

#C03D3B

secondary

#8CC9CA

accent

#DADC4B

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #C03D3B

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

Preview Lab → · Contrast checker → · Palette generator →