#C03B3A#C03B3A

#C03B3A is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.7% C 0.170 H 25.1°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#C03B3A
RGB	rgb(192, 59, 58)
HSL	hsl(0, 54%, 49%)
HSV	hsv(0, 70%, 75%)
CMYK	cmyk(0%, 69.3%, 69.8%, 24.7%)
CIE-LAB	lab(45.14, 52.79, 31.21)
CIE-LCH	lch(45.14, 61.32, 30.59°)
OKLab	oklab(54.74% 0.1539 0.0721)
OKLCH	oklch(54.74% 0.17 25.1)
XYZ	xyz(24.0685, 14.6434, 5.5613)
Luminance	0.1464 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03B3A #3ABFC0

analogous

#C03A7C #C03B3A #C07E3A

triadic

#C03B3A #3AC03B #3B3AC0

tetradic

#C03B3A #7CC03A #3ABFC0 #7E3AC0

square

#C03B3A #7CC03A #3ABFC0 #7E3AC0

split-complementary

#C03B3A #3AC07E #3A7CC0

monochromatic

#621E1E #912D2C #C03B3A #D16766 #DF9695

Accessibility & contrast

On white

5.35

#C03B3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#C03B3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03B3A

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03B3A	#FFFFFF	#000000	##FFFFFF
##C03B3A	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605939

Deuteranopia (green-blind)

#827536

Tritanopia (blue-blind)

#D3113C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c03b3a;
/* rgb */ color: rgb(192, 59, 58);
/* oklch */ color: oklch(54.7% 0.170 25.1);

Tailwind

colors: {
  custom: {
    50: '#db7970',
    500: '#c03b3a',
    950: '#000000',
  },
}

SCSS

$custom: #c03b3a;
$custom-light: #db7970;
$custom-dark: #000000;

JSON

{
  "hex": "#c03b3a",
  "rgb": {
    "r": 192,
    "g": 59,
    "b": 58
  },
  "hsl": {
    "h": 0.448,
    "s": 53.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54742,
    "c": 0.16991,
    "h": 25.1
  },
  "luminance": 0.1464
}

Semantic roles & 50–950 ramp

primary

#C03B3A

secondary

#8BCACA

accent

#DCDD4B

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #C03B3A

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

Preview Lab → · Contrast checker → · Palette generator →