#C33D1F#C33D1F

#C33D1F is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.2% C 0.176 H 33.9°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#C33D1F
RGB	rgb(195, 61, 31)
HSL	hsl(11, 73%, 44%)
HSV	hsv(11, 84%, 76%)
CMYK	cmyk(0%, 68.7%, 84.1%, 23.5%)
CIE-LAB	lab(45.69, 51.97, 46.55)
CIE-LCH	lch(45.69, 69.77, 41.85°)
OKLab	oklab(55.16% 0.1457 0.098)
OKLCH	oklch(55.16% 0.176 33.9)
XYZ	xyz(24.4246, 15.0422, 2.9134)
Luminance	0.1504 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33D1F #1FA5C3

analogous

#C31F53 #C33D1F #C38F1F

triadic

#C33D1F #1FC33D #3D1FC3

tetradic

#C33D1F #53C31F #1FA5C3 #8F1FC3

square

#C33D1F #53C31F #1FA5C3 #8F1FC3

split-complementary

#C33D1F #1FC38F #1F53C3

monochromatic

#591C0E #8E2C17 #C33D1F #E05C3F #E98974

Accessibility & contrast

On white

5.24

#C33D1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#C33D1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33D1F

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33D1F	#FFFFFF	#000000	##FFFFFF
##C33D1F	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#65591A

Deuteranopia (green-blind)

#867717

Tritanopia (blue-blind)

#D70938

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c33d1f;
/* rgb */ color: rgb(195, 61, 31);
/* oklch */ color: oklch(55.2% 0.176 33.9);

Tailwind

colors: {
  custom: {
    50: '#df7a5e',
    500: '#c33d1f',
    950: '#000000',
  },
}

SCSS

$custom: #c33d1f;
$custom-light: #df7a5e;
$custom-dark: #000000;

JSON

{
  "hex": "#c33d1f",
  "rgb": {
    "r": 195,
    "g": 61,
    "b": 31
  },
  "hsl": {
    "h": 10.976,
    "s": 72.566,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55164,
    "c": 0.17561,
    "h": 33.9
  },
  "luminance": 0.15039
}

Semantic roles & 50–950 ramp

primary

#C33D1F

secondary

#6EBED0

accent

#CEEF39

background

#FFF7F5

surface

#FEEEE9

border

#D6C9C5

text

#170A04

muted

#857C79

Preview Lab

Preview with #C33D1F

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

Preview Lab → · Contrast checker → · Palette generator →