#C33C1B#C33C1B

#C33C1B is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.0% C 0.177 H 34.5°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#C33C1B
RGB	rgb(195, 60, 27)
HSL	hsl(12, 76%, 44%)
HSV	hsv(12, 86%, 76%)
CMYK	cmyk(0%, 69.2%, 86.2%, 23.5%)
CIE-LAB	lab(45.52, 52.27, 48.22)
CIE-LCH	lch(45.52, 71.11, 42.69°)
OKLab	oklab(55.03% 0.146 0.1002)
OKLCH	oklch(55.03% 0.177 34.5)
XYZ	xyz(24.3223, 14.9167, 2.6352)
Luminance	0.1491 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33C1B #1BA2C3

analogous

#C31B4E #C33C1B #C3901B

triadic

#C33C1B #1BC33C #3C1BC3

tetradic

#C33C1B #4EC31B #1BA2C3 #901BC3

square

#C33C1B #4EC31B #1BA2C3 #901BC3

split-complementary

#C33C1B #1BC390 #1B4EC3

monochromatic

#571B0C #8D2B14 #C33C1B #E35938 #EB866E

Accessibility & contrast

On white

5.27

#C33C1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#C33C1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33C1B

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33C1B	#FFFFFF	#000000	##FFFFFF
##C33C1B	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)

#645914

Deuteranopia (green-blind)

#867712

Tritanopia (blue-blind)

#D70336

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c33c1b;
/* rgb */ color: rgb(195, 60, 27);
/* oklch */ color: oklch(55.0% 0.177 34.5);

Tailwind

colors: {
  custom: {
    50: '#df7a5c',
    500: '#c33c1b',
    950: '#000000',
  },
}

SCSS

$custom: #c33c1b;
$custom-light: #df7a5c;
$custom-dark: #000000;

JSON

{
  "hex": "#c33c1b",
  "rgb": {
    "r": 195,
    "g": 60,
    "b": 27
  },
  "hsl": {
    "h": 11.786,
    "s": 75.676,
    "l": 43.529
  },
  "oklch": {
    "l": 0.55026,
    "c": 0.17708,
    "h": 34.5
  },
  "luminance": 0.14913
}

Semantic roles & 50–950 ramp

primary

#C33C1B

secondary

#69BCD1

accent

#CDF236

background

#FFF7F5

surface

#FEEEE9

border

#D6C9C5

text

#170A04

muted

#857C79

Preview Lab

Preview with #C33C1B

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

Preview Lab → · Contrast checker → · Palette generator →