#C33B2C#C33B2C

#C33B2C is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.1% C 0.175 H 29.9°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#C33B2C
RGB	rgb(195, 59, 44)
HSL	hsl(6, 63%, 47%)
HSV	hsv(6, 77%, 76%)
CMYK	cmyk(0%, 69.7%, 77.4%, 23.5%)
CIE-LAB	lab(45.52, 53.16, 39.75)
CIE-LCH	lch(45.52, 66.38, 36.78°)
OKLab	oklab(55.07% 0.1518 0.0874)
OKLCH	oklch(55.07% 0.175 29.9)
XYZ	xyz(24.5271, 14.9156, 3.9699)
Luminance	0.1491 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33B2C #2CB4C3

analogous

#C32C69 #C33B2C #C3872C

triadic

#C33B2C #2CC33B #3B2CC3

tetradic

#C33B2C #69C32C #2CB4C3 #872CC3

square

#C33B2C #69C32C #2CB4C3 #872CC3

split-complementary

#C33B2C #2CC387 #2C69C3

monochromatic

#5F1D15 #912C21 #C33B2C #D86154 #E48F86

Accessibility & contrast

On white

5.27

#C33B2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#C33B2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33B2C

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33B2C	#FFFFFF	#000000	##FFFFFF
##C33B2C	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635929

Deuteranopia (green-blind)

#847726

Tritanopia (blue-blind)

#D70539

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c33b2c;
/* rgb */ color: rgb(195, 59, 44);
/* oklch */ color: oklch(55.1% 0.175 29.9);

Tailwind

colors: {
  custom: {
    50: '#de7966',
    500: '#c33b2c',
    950: '#000000',
  },
}

SCSS

$custom: #c33b2c;
$custom-light: #de7966;
$custom-dark: #000000;

JSON

{
  "hex": "#c33b2c",
  "rgb": {
    "r": 195,
    "g": 59,
    "b": 44
  },
  "hsl": {
    "h": 5.96,
    "s": 63.18,
    "l": 46.863
  },
  "oklch": {
    "l": 0.5507,
    "c": 0.17515,
    "h": 29.9
  },
  "luminance": 0.14912
}

Semantic roles & 50–950 ramp

primary

#C33B2C

secondary

#7EC5CD

accent

#D6E642

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C33B2C

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

Preview Lab → · Contrast checker → · Palette generator →