#C33F37#C33F37

#C33F37 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.6% C 0.170 H 27.5°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#C33F37
RGB	rgb(195, 63, 55)
HSL	hsl(3, 56%, 49%)
HSV	hsv(3, 72%, 76%)
CMYK	cmyk(0%, 67.7%, 71.8%, 23.5%)
CIE-LAB	lab(46.23, 52.04, 34.36)
CIE-LCH	lch(46.23, 62.36, 33.44°)
OKLab	oklab(55.64% 0.1505 0.0783)
OKLCH	oklch(55.64% 0.17 27.5)
XYZ	xyz(24.9755, 15.4366, 5.2781)
Luminance	0.1543 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33F37 #37BBC3

analogous

#C33775 #C33F37 #C38537

triadic

#C33F37 #37C33F #3F37C3

tetradic

#C33F37 #75C337 #37BBC3 #8537C3

square

#C33F37 #75C337 #37BBC3 #8537C3

split-complementary

#C33F37 #37C385 #3775C3

monochromatic

#64201C #93302A #C33F37 #D36A64 #E19894

Accessibility & contrast

On white

5.14

#C33F37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#C33F37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33F37

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33F37	#FFFFFF	#000000	##FFFFFF
##C33F37	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B35

Deuteranopia (green-blind)

#857833

Tritanopia (blue-blind)

#D6183E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c33f37;
/* rgb */ color: rgb(195, 63, 55);
/* oklch */ color: oklch(55.6% 0.170 27.5);

Tailwind

colors: {
  custom: {
    50: '#dd7c6e',
    500: '#c33f37',
    950: '#000000',
  },
}

SCSS

$custom: #c33f37;
$custom-light: #dd7c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#c33f37",
  "rgb": {
    "r": 195,
    "g": 63,
    "b": 55
  },
  "hsl": {
    "h": 3.429,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55641,
    "c": 0.16965,
    "h": 27.5
  },
  "luminance": 0.15433
}

Semantic roles & 50–950 ramp

primary

#C33F37

secondary

#8AC8CC

accent

#D7DF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C33F37

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

Preview Lab → · Contrast checker → · Palette generator →