#C33D3F#C33D3F

#C33D3F is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.5% C 0.170 H 23.8°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#C33D3F
RGB	rgb(195, 61, 63)
HSL	hsl(359, 53%, 50%)
HSV	hsv(359, 69%, 76%)
CMYK	cmyk(0%, 68.7%, 67.7%, 23.5%)
CIE-LAB	lab(46.05, 53.24, 29.48)
CIE-LCH	lch(46.05, 60.86, 28.97°)
OKLab	oklab(55.54% 0.156 0.0689)
OKLCH	oklch(55.54% 0.17 23.8)
XYZ	xyz(25.0743, 15.3021, 6.3349)
Luminance	0.1530 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33D3F #3DC3C1

analogous

#C33D82 #C33D3F #C37E3D

triadic

#C33D3F #3FC33D #3D3FC3

tetradic

#C33D3F #82C33D #3DC3C1 #7E3DC3

square

#C33D3F #82C33D #3DC3C1 #7E3DC3

split-complementary

#C33D3F #3DC37E #3D82C3

monochromatic

#662021 #952E30 #C33D3F #D16C6D #E09A9C

Accessibility & contrast

On white

5.17

#C33D3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#C33D3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33D3F

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33D3F	#FFFFFF	#000000	##FFFFFF
##C33D3F	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625B3E

Deuteranopia (green-blind)

#84783B

Tritanopia (blue-blind)

#D6163F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c33d3f;
/* rgb */ color: rgb(195, 61, 63);
/* oklch */ color: oklch(55.5% 0.170 23.8);

Tailwind

colors: {
  custom: {
    50: '#dd7b74',
    500: '#c33d3f',
    950: '#000000',
  },
}

SCSS

$custom: #c33d3f;
$custom-light: #dd7b74;
$custom-dark: #000000;

JSON

{
  "hex": "#c33d3f",
  "rgb": {
    "r": 195,
    "g": 61,
    "b": 63
  },
  "hsl": {
    "h": 359.104,
    "s": 52.756,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55541,
    "c": 0.17049,
    "h": 23.8
  },
  "luminance": 0.15298
}

Semantic roles & 50–950 ramp

primary

#C33D3F

secondary

#90CCCB

accent

#DCDA4C

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#160A08

muted

#847C7B

Preview Lab

Preview with #C33D3F

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

Preview Lab → · Contrast checker → · Palette generator →