#C33F3F#C33F3F

#C33F3F is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.8% C 0.169 H 24.4°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#C33F3F
RGB	rgb(195, 63, 63)
HSL	hsl(0, 52%, 51%)
HSV	hsv(0, 68%, 76%)
CMYK	cmyk(0%, 67.7%, 67.7%, 23.5%)
CIE-LAB	lab(46.34, 52.44, 29.83)
CIE-LCH	lch(46.34, 60.33, 29.64°)
OKLab	oklab(55.76% 0.1534 0.0697)
OKLCH	oklch(55.76% 0.169 24.4)
XYZ	xyz(25.1830, 15.5196, 6.3712)
Luminance	0.1552 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33F3F #3FC3C3

analogous

#C33F81 #C33F3F #C3813F

triadic

#C33F3F #3FC33F #3F3FC3

tetradic

#C33F3F #81C33F #3FC3C3 #813FC3

square

#C33F3F #81C33F #3FC3C3 #813FC3

split-complementary

#C33F3F #3FC381 #3F81C3

monochromatic

#672020 #962F2F #C33F3F #D26E6E #E09C9C

Accessibility & contrast

On white

5.12

#C33F3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#C33F3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33F3F

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33F3F	#FFFFFF	#000000	##FFFFFF
##C33F3F	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635C3E

Deuteranopia (green-blind)

#84783B

Tritanopia (blue-blind)

#D61B40

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c33f3f;
/* rgb */ color: rgb(195, 63, 63);
/* oklch */ color: oklch(55.8% 0.169 24.4);

Tailwind

colors: {
  custom: {
    50: '#dd7c74',
    500: '#c33f3f',
    950: '#000000',
  },
}

SCSS

$custom: #c33f3f;
$custom-light: #dd7c74;
$custom-dark: #000000;

JSON

{
  "hex": "#c33f3f",
  "rgb": {
    "r": 195,
    "g": 63,
    "b": 63
  },
  "hsl": {
    "h": 0,
    "s": 52.381,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5576,
    "c": 0.16852,
    "h": 24.4
  },
  "luminance": 0.15516
}

Semantic roles & 50–950 ramp

primary

#C33F3F

secondary

#92CCCC

accent

#DCDC4C

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#160A08

muted

#847C7B

Preview Lab

Preview with #C33F3F

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

Preview Lab → · Contrast checker → · Palette generator →