#C03E31#C03E31

#C03E31 is a mid, vivid red. Relative luminance 0.149; OKLCH L 54.9% C 0.168 H 29.3°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#C03E31
RGB	rgb(192, 62, 49)
HSL	hsl(5, 59%, 47%)
HSV	hsv(5, 74%, 75%)
CMYK	cmyk(0%, 67.7%, 74.5%, 24.7%)
CIE-LAB	lab(45.47, 51.17, 36.77)
CIE-LCH	lch(45.47, 63.01, 35.70°)
OKLab	oklab(54.95% 0.1469 0.0824)
OKLCH	oklch(54.95% 0.168 29.3)
XYZ	xyz(24.0179, 14.8770, 4.5120)
Luminance	0.1487 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03E31 #31B3C0

analogous

#C0316B #C03E31 #C08631

triadic

#C03E31 #31C03E #3E31C0

tetradic

#C03E31 #6BC031 #31B3C0 #8631C0

square

#C03E31 #6BC031 #31B3C0 #8631C0

split-complementary

#C03E31 #31C086 #316BC0

monochromatic

#5E1F18 #8F2E25 #C03E31 #D56559 #E1928A

Accessibility & contrast

On white

5.28

#C03E31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#C03E31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03E31

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03E31	#FFFFFF	#000000	##FFFFFF
##C03E31	1.00	5.28	3.97	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A2F

Deuteranopia (green-blind)

#83762C

Tritanopia (blue-blind)

#D3163C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c03e31;
/* rgb */ color: rgb(192, 62, 49);
/* oklch */ color: oklch(54.9% 0.168 29.3);

Tailwind

colors: {
  custom: {
    50: '#db7b6a',
    500: '#c03e31',
    950: '#000000',
  },
}

SCSS

$custom: #c03e31;
$custom-light: #db7b6a;
$custom-dark: #000000;

JSON

{
  "hex": "#c03e31",
  "rgb": {
    "r": 192,
    "g": 62,
    "b": 49
  },
  "hsl": {
    "h": 5.455,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54947,
    "c": 0.16844,
    "h": 29.3
  },
  "luminance": 0.14873
}

Semantic roles & 50–950 ramp

primary

#C03E31

secondary

#82C5CB

accent

#D4E345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #C03E31

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

Preview Lab → · Contrast checker → · Palette generator →