#C03631#C03631

#C03631 is a mid, vivid red. Relative luminance 0.141; OKLCH L 54.1% C 0.176 H 27.0°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#C03631
RGB	rgb(192, 54, 49)
HSL	hsl(2, 59%, 47%)
HSV	hsv(2, 74%, 75%)
CMYK	cmyk(0%, 71.9%, 74.5%, 24.7%)
CIE-LAB	lab(44.33, 54.27, 35.51)
CIE-LCH	lch(44.33, 64.85, 33.20°)
OKLab	oklab(54.1% 0.1567 0.0797)
OKLCH	oklch(54.1% 0.176 27)
XYZ	xyz(23.6145, 14.0701, 4.3775)
Luminance	0.1407 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03631 #31BBC0

analogous

#C03174 #C03631 #C07E31

triadic

#C03631 #31C036 #3631C0

tetradic

#C03631 #74C031 #31BBC0 #7E31C0

square

#C03631 #74C031 #31BBC0 #7E31C0

split-complementary

#C03631 #31C07E #3174C0

monochromatic

#5E1B18 #8F2825 #C03631 #D55E59 #E18D8A

Accessibility & contrast

On white

5.51

#C03631 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#C03631 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03631

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03631	#FFFFFF	#000000	##FFFFFF
##C03631	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E562F

Deuteranopia (green-blind)

#81742C

Tritanopia (blue-blind)

#D30036

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c03631;
/* rgb */ color: rgb(192, 54, 49);
/* oklch */ color: oklch(54.1% 0.176 27.0);

Tailwind

colors: {
  custom: {
    50: '#dc776a',
    500: '#c03631',
    950: '#000000',
  },
}

SCSS

$custom: #c03631;
$custom-light: #dc776a;
$custom-dark: #000000;

JSON

{
  "hex": "#c03631",
  "rgb": {
    "r": 192,
    "g": 54,
    "b": 49
  },
  "hsl": {
    "h": 2.098,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.541,
    "c": 0.17574,
    "h": 27
  },
  "luminance": 0.14067
}

Semantic roles & 50–950 ramp

primary

#C03631

secondary

#82C9CB

accent

#DDE345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C03631

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

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