#C03A2A#C03A2A

#C03A2A is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.4% C 0.173 H 30.3°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#C03A2A
RGB	rgb(192, 58, 42)
HSL	hsl(6, 64%, 46%)
HSV	hsv(6, 78%, 75%)
CMYK	cmyk(0%, 69.8%, 78.1%, 24.7%)
CIE-LAB	lab(44.81, 52.49, 39.92)
CIE-LCH	lch(44.81, 65.94, 37.25°)
OKLab	oklab(54.43% 0.1496 0.0874)
OKLCH	oklch(54.43% 0.173 30.3)
XYZ	xyz(23.6719, 14.4033, 3.7237)
Luminance	0.1440 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03A2A #2AB0C0

analogous

#C02A65 #C03A2A #C0852A

triadic

#C03A2A #2AC03A #3A2AC0

tetradic

#C03A2A #65C02A #2AB0C0 #852AC0

square

#C03A2A #65C02A #2AB0C0 #852AC0

split-complementary

#C03A2A #2AC085 #2A65C0

monochromatic

#5C1C14 #8E2B1F #C03A2A #D85D4F #E38B81

Accessibility & contrast

On white

5.41

#C03A2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#C03A2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03A2A

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03A2A	#FFFFFF	#000000	##FFFFFF
##C03A2A	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615727

Deuteranopia (green-blind)

#827524

Tritanopia (blue-blind)

#D30537

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c03a2a;
/* rgb */ color: rgb(192, 58, 42);
/* oklch */ color: oklch(54.4% 0.173 30.3);

Tailwind

colors: {
  custom: {
    50: '#dc7865',
    500: '#c03a2a',
    950: '#000000',
  },
}

SCSS

$custom: #c03a2a;
$custom-light: #dc7865;
$custom-dark: #000000;

JSON

{
  "hex": "#c03a2a",
  "rgb": {
    "r": 192,
    "g": 58,
    "b": 42
  },
  "hsl": {
    "h": 6.4,
    "s": 64.103,
    "l": 45.882
  },
  "oklch": {
    "l": 0.54429,
    "c": 0.17329,
    "h": 30.3
  },
  "luminance": 0.144
}

Semantic roles & 50–950 ramp

primary

#C03A2A

secondary

#7AC3CC

accent

#D5E741

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170905

muted

#857B7A

Preview Lab

Preview with #C03A2A

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

Preview Lab → · Contrast checker → · Palette generator →