#C33F1D#C33F1D

#C33F1D is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.4% C 0.174 H 35.0°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#C33F1D
RGB	rgb(195, 63, 29)
HSL	hsl(12, 74%, 44%)
HSV	hsv(12, 85%, 76%)
CMYK	cmyk(0%, 67.7%, 85.1%, 23.5%)
CIE-LAB	lab(45.97, 51.11, 47.71)
CIE-LCH	lch(45.97, 69.92, 43.03°)
OKLab	oklab(55.37% 0.1428 0.0998)
OKLCH	oklch(55.37% 0.174 35)
XYZ	xyz(24.5078, 15.2495, 2.8152)
Luminance	0.1525 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33F1D #1DA1C3

analogous

#C31D4E #C33F1D #C3921D

triadic

#C33F1D #1DC33F #3F1DC3

tetradic

#C33F1D #4EC31D #1DA1C3 #921DC3

square

#C33F1D #4EC31D #1DA1C3 #921DC3

split-complementary

#C33F1D #1DC392 #1D4EC3

monochromatic

#581D0D #8E2E15 #C33F1D #E25D3B #EA8971

Accessibility & contrast

On white

5.19

#C33F1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#C33F1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33F1D

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33F1D	#FFFFFF	#000000	##FFFFFF
##C33F1D	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665A17

Deuteranopia (green-blind)

#877815

Tritanopia (blue-blind)

#D71039

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c33f1d;
/* rgb */ color: rgb(195, 63, 29);
/* oklch */ color: oklch(55.4% 0.174 35.0);

Tailwind

colors: {
  custom: {
    50: '#df7b5d',
    500: '#c33f1d',
    950: '#000000',
  },
}

SCSS

$custom: #c33f1d;
$custom-light: #df7b5d;
$custom-dark: #000000;

JSON

{
  "hex": "#c33f1d",
  "rgb": {
    "r": 195,
    "g": 63,
    "b": 29
  },
  "hsl": {
    "h": 12.289,
    "s": 74.107,
    "l": 43.922
  },
  "oklch": {
    "l": 0.55371,
    "c": 0.17422,
    "h": 35
  },
  "luminance": 0.15246
}

Semantic roles & 50–950 ramp

primary

#C33F1D

secondary

#6CBCD0

accent

#CBF137

background

#FFF7F5

surface

#FEEEE9

border

#D6C9C5

text

#170A04

muted

#857C79

Preview Lab

Preview with #C33F1D

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

Preview Lab → · Contrast checker → · Palette generator →