#C03F31#C03F31

#C03F31 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.1% C 0.168 H 29.6°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#C03F31
RGB	rgb(192, 63, 49)
HSL	hsl(6, 59%, 47%)
HSV	hsv(6, 74%, 75%)
CMYK	cmyk(0%, 67.2%, 74.5%, 24.7%)
CIE-LAB	lab(45.62, 50.76, 36.93)
CIE-LCH	lch(45.62, 62.78, 36.04°)
OKLab	oklab(55.06% 0.1456 0.0828)
OKLCH	oklch(55.06% 0.168 29.6)
XYZ	xyz(24.0728, 14.9868, 4.5303)
Luminance	0.1498 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03F31 #31B2C0

analogous

#C0316B #C03F31 #C08631

triadic

#C03F31 #31C03F #3F31C0

tetradic

#C03F31 #6BC031 #31B2C0 #8631C0

square

#C03F31 #6BC031 #31B2C0 #8631C0

split-complementary

#C03F31 #31C086 #316BC0

monochromatic

#5E1F18 #8F2F25 #C03F31 #D56659 #E1938A

Accessibility & contrast

On white

5.25

#C03F31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#C03F31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03F31

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03F31	#FFFFFF	#000000	##FFFFFF
##C03F31	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645A2F

Deuteranopia (green-blind)

#84762C

Tritanopia (blue-blind)

#D3193D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c03f31;
/* rgb */ color: rgb(192, 63, 49);
/* oklch */ color: oklch(55.1% 0.168 29.6);

Tailwind

colors: {
  custom: {
    50: '#db7b6a',
    500: '#c03f31',
    950: '#000000',
  },
}

SCSS

$custom: #c03f31;
$custom-light: #db7b6a;
$custom-dark: #000000;

JSON

{
  "hex": "#c03f31",
  "rgb": {
    "r": 192,
    "g": 63,
    "b": 49
  },
  "hsl": {
    "h": 5.874,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.5506,
    "c": 0.16751,
    "h": 29.6
  },
  "luminance": 0.14983
}

Semantic roles & 50–950 ramp

primary

#C03F31

secondary

#82C4CB

accent

#D3E345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #C03F31

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

Preview Lab → · Contrast checker → · Palette generator →