#C0403A#C0403A

#C0403A is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.3% C 0.165 H 26.6°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#C0403A
RGB	rgb(192, 64, 58)
HSL	hsl(3, 54%, 49%)
HSV	hsv(3, 70%, 75%)
CMYK	cmyk(0%, 66.7%, 69.8%, 24.7%)
CIE-LAB	lab(45.88, 50.77, 32.09)
CIE-LCH	lch(45.88, 60.06, 32.30°)
OKLab	oklab(55.3% 0.1475 0.074)
OKLCH	oklch(55.3% 0.165 26.6)
XYZ	xyz(24.3379, 15.1822, 5.6511)
Luminance	0.1518 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0403A #3ABAC0

analogous

#C03A77 #C0403A #C0833A

triadic

#C0403A #3AC040 #403AC0

tetradic

#C0403A #77C03A #3ABAC0 #833AC0

square

#C0403A #77C03A #3ABAC0 #833AC0

split-complementary

#C0403A #3AC083 #3A77C0

monochromatic

#62211E #91302C #C0403A #D16B66 #DF9995

Accessibility & contrast

On white

5.20

#C0403A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#C0403A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C0403A

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0403A	#FFFFFF	#000000	##FFFFFF
##C0403A	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B38

Deuteranopia (green-blind)

#837736

Tritanopia (blue-blind)

#D31E40

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c0403a;
/* rgb */ color: rgb(192, 64, 58);
/* oklch */ color: oklch(55.3% 0.165 26.6);

Tailwind

colors: {
  custom: {
    50: '#db7c70',
    500: '#c0403a',
    950: '#000000',
  },
}

SCSS

$custom: #c0403a;
$custom-light: #db7c70;
$custom-dark: #000000;

JSON

{
  "hex": "#c0403a",
  "rgb": {
    "r": 192,
    "g": 64,
    "b": 58
  },
  "hsl": {
    "h": 2.687,
    "s": 53.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55297,
    "c": 0.16502,
    "h": 26.6
  },
  "luminance": 0.15179
}

Semantic roles & 50–950 ramp

primary

#C0403A

secondary

#8BC8CA

accent

#D6DD4B

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #C0403A

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

Preview Lab → · Contrast checker → · Palette generator →