#C33837#C33837

#C33837 is a mid, vivid red. Relative luminance 0.147; OKLCH L 54.9% C 0.176 H 25.5°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#C33837
RGB	rgb(195, 56, 55)
HSL	hsl(0, 56%, 49%)
HSV	hsv(0, 72%, 76%)
CMYK	cmyk(0%, 71.3%, 71.8%, 23.5%)
CIE-LAB	lab(45.23, 54.75, 33.21)
CIE-LCH	lch(45.23, 64.04, 31.24°)
OKLab	oklab(54.9% 0.1591 0.0758)
OKLCH	oklch(54.9% 0.176 25.5)
XYZ	xyz(24.6122, 14.7100, 5.1570)
Luminance	0.1471 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33837 #37C2C3

analogous

#C3377C #C33837 #C37E37

triadic

#C33837 #37C338 #3837C3

tetradic

#C33837 #7CC337 #37C2C3 #7E37C3

square

#C33837 #7CC337 #37C2C3 #7E37C3

split-complementary

#C33837 #37C37E #377CC3

monochromatic

#641D1C #932A2A #C33837 #D36564 #E19494

Accessibility & contrast

On white

5.33

#C33837 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#C33837 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33837

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33837	#FFFFFF	#000000	##FFFFFF
##C33837	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605835

Deuteranopia (green-blind)

#837632

Tritanopia (blue-blind)

#D60039

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c33837;
/* rgb */ color: rgb(195, 56, 55);
/* oklch */ color: oklch(54.9% 0.176 25.5);

Tailwind

colors: {
  custom: {
    50: '#dd786e',
    500: '#c33837',
    950: '#000000',
  },
}

SCSS

$custom: #c33837;
$custom-light: #dd786e;
$custom-dark: #000000;

JSON

{
  "hex": "#c33837",
  "rgb": {
    "r": 195,
    "g": 56,
    "b": 55
  },
  "hsl": {
    "h": 0.429,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54899,
    "c": 0.1762,
    "h": 25.5
  },
  "luminance": 0.14706
}

Semantic roles & 50–950 ramp

primary

#C33837

secondary

#8ACBCC

accent

#DEDF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C33837

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

Preview Lab → · Contrast checker → · Palette generator →