#C33F2F#C33F2F

#C33F2F is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.5% C 0.171 H 30.2°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#C33F2F
RGB	rgb(195, 63, 47)
HSL	hsl(6, 61%, 47%)
HSV	hsv(6, 76%, 76%)
CMYK	cmyk(0%, 67.7%, 75.9%, 23.5%)
CIE-LAB	lab(46.13, 51.69, 38.76)
CIE-LCH	lch(46.13, 64.61, 36.86°)
OKLab	oklab(55.54% 0.1478 0.086)
OKLCH	oklch(55.54% 0.171 30.2)
XYZ	xyz(24.7991, 15.3660, 4.3489)
Luminance	0.1536 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33F2F #2FB3C3

analogous

#C32F69 #C33F2F #C3892F

triadic

#C33F2F #2FC33F #3F2FC3

tetradic

#C33F2F #69C32F #2FB3C3 #892FC3

square

#C33F2F #69C32F #2FB3C3 #892FC3

split-complementary

#C33F2F #2FC389 #2F69C3

monochromatic

#601F17 #922F23 #C33F2F #D76658 #E3938A

Accessibility & contrast

On white

5.16

#C33F2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#C33F2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33F2F

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33F2F	#FFFFFF	#000000	##FFFFFF
##C33F2F	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655B2C

Deuteranopia (green-blind)

#86782A

Tritanopia (blue-blind)

#D7153C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c33f2f;
/* rgb */ color: rgb(195, 63, 47);
/* oklch */ color: oklch(55.5% 0.171 30.2);

Tailwind

colors: {
  custom: {
    50: '#de7b69',
    500: '#c33f2f',
    950: '#000000',
  },
}

SCSS

$custom: #c33f2f;
$custom-light: #de7b69;
$custom-dark: #000000;

JSON

{
  "hex": "#c33f2f",
  "rgb": {
    "r": 195,
    "g": 63,
    "b": 47
  },
  "hsl": {
    "h": 6.486,
    "s": 61.157,
    "l": 47.451
  },
  "oklch": {
    "l": 0.55539,
    "c": 0.17101,
    "h": 30.2
  },
  "luminance": 0.15362
}

Semantic roles & 50–950 ramp

primary

#C33F2F

secondary

#81C4CD

accent

#D3E444

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C33F2F

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

Preview Lab → · Contrast checker → · Palette generator →