#C03337#C03337

#C03337 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.9% C 0.178 H 24.1°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#C03337
RGB	rgb(192, 51, 55)
HSL	hsl(358, 58%, 48%)
HSV	hsv(358, 73%, 75%)
CMYK	cmyk(0%, 73.4%, 71.4%, 24.7%)
CIE-LAB	lab(44.02, 55.61, 31.66)
CIE-LCH	lch(44.02, 63.99, 29.65°)
OKLab	oklab(53.89% 0.1622 0.0725)
OKLCH	oklch(53.89% 0.178 24.1)
XYZ	xyz(23.6143, 13.8535, 5.0443)
Luminance	0.1385 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03337 #33C0BC

analogous

#C0337D #C03337 #C07633

triadic

#C03337 #37C033 #3337C0

tetradic

#C03337 #7DC033 #33C0BC #7633C0

square

#C03337 #7DC033 #33C0BC #7633C0

split-complementary

#C03337 #33C076 #337DC0

monochromatic

#5F191B #902629 #C03337 #D45C60 #E18D8F

Accessibility & contrast

On white

5.57

#C03337 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#C03337 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03337

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03337	#FFFFFF	#000000	##FFFFFF
##C03337	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5536

Deuteranopia (green-blind)

#7F7332

Tritanopia (blue-blind)

#D30036

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #c03337;
/* rgb */ color: rgb(192, 51, 55);
/* oklch */ color: oklch(53.9% 0.178 24.1);

Tailwind

colors: {
  custom: {
    50: '#db756e',
    500: '#c03337',
    950: '#000000',
  },
}

SCSS

$custom: #c03337;
$custom-light: #db756e;
$custom-dark: #000000;

JSON

{
  "hex": "#c03337",
  "rgb": {
    "r": 192,
    "g": 51,
    "b": 55
  },
  "hsl": {
    "h": 358.298,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53893,
    "c": 0.17764,
    "h": 24.1
  },
  "luminance": 0.1385
}

Semantic roles & 50–950 ramp

primary

#C03337

secondary

#84CBC9

accent

#E1DD47

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#170907

muted

#857B7A

Preview Lab

Preview with #C03337

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

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