#C03731#C03731

#C03731 is a mid, vivid red. Relative luminance 0.142; OKLCH L 54.2% C 0.175 H 27.2°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#C03731
RGB	rgb(192, 55, 49)
HSL	hsl(3, 59%, 47%)
HSV	hsv(3, 74%, 75%)
CMYK	cmyk(0%, 71.4%, 74.5%, 24.7%)
CIE-LAB	lab(44.47, 53.90, 35.66)
CIE-LCH	lch(44.47, 64.63, 33.49°)
OKLab	oklab(54.2% 0.1555 0.08)
OKLCH	oklch(54.2% 0.175 27.2)
XYZ	xyz(23.6615, 14.1642, 4.3932)
Luminance	0.1416 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03731 #31BAC0

analogous

#C03173 #C03731 #C07E31

triadic

#C03731 #31C037 #3731C0

tetradic

#C03731 #73C031 #31BAC0 #7E31C0

square

#C03731 #73C031 #31BAC0 #7E31C0

split-complementary

#C03731 #31C07E #3173C0

monochromatic

#5E1B18 #8F2925 #C03731 #D55F59 #E18E8A

Accessibility & contrast

On white

5.48

#C03731 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#C03731 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03731

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03731	#FFFFFF	#000000	##FFFFFF
##C03731	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562F

Deuteranopia (green-blind)

#81742C

Tritanopia (blue-blind)

#D30037

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c03731;
/* rgb */ color: rgb(192, 55, 49);
/* oklch */ color: oklch(54.2% 0.175 27.2);

Tailwind

colors: {
  custom: {
    50: '#dc776a',
    500: '#c03731',
    950: '#000000',
  },
}

SCSS

$custom: #c03731;
$custom-light: #dc776a;
$custom-dark: #000000;

JSON

{
  "hex": "#c03731",
  "rgb": {
    "r": 192,
    "g": 55,
    "b": 49
  },
  "hsl": {
    "h": 2.517,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54201,
    "c": 0.17485,
    "h": 27.2
  },
  "luminance": 0.14161
}

Semantic roles & 50–950 ramp

primary

#C03731

secondary

#82C8CB

accent

#DCE345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C03731

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

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