#C33B3F#C33B3F

#C33B3F is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.3% C 0.172 H 23.3°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#C33B3F
RGB	rgb(195, 59, 63)
HSL	hsl(358, 54%, 50%)
HSV	hsv(358, 70%, 76%)
CMYK	cmyk(0%, 69.7%, 67.7%, 23.5%)
CIE-LAB	lab(45.76, 54.02, 29.13)
CIE-LCH	lch(45.76, 61.37, 28.34°)
OKLab	oklab(55.33% 0.1584 0.0681)
OKLCH	oklch(55.33% 0.172 23.3)
XYZ	xyz(24.9695, 15.0926, 6.3000)
Luminance	0.1509 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33B3F #3BC3BF

analogous

#C33B83 #C33B3F #C37B3B

triadic

#C33B3F #3FC33B #3B3FC3

tetradic

#C33B3F #83C33B #3BC3BF #7B3BC3

square

#C33B3F #83C33B #3BC3BF #7B3BC3

split-complementary

#C33B3F #3BC37B #3B83C3

monochromatic

#651F21 #942D30 #C33B3F #D2696D #E0989B

Accessibility & contrast

On white

5.23

#C33B3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#C33B3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33B3F

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33B3F	#FFFFFF	#000000	##FFFFFF
##C33B3F	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615A3E

Deuteranopia (green-blind)

#83773B

Tritanopia (blue-blind)

#D6103E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c33b3f;
/* rgb */ color: rgb(195, 59, 63);
/* oklch */ color: oklch(55.3% 0.172 23.3);

Tailwind

colors: {
  custom: {
    50: '#dd7a74',
    500: '#c33b3f',
    950: '#000000',
  },
}

SCSS

$custom: #c33b3f;
$custom-light: #dd7a74;
$custom-dark: #000000;

JSON

{
  "hex": "#c33b3f",
  "rgb": {
    "r": 195,
    "g": 59,
    "b": 63
  },
  "hsl": {
    "h": 358.235,
    "s": 53.543,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55329,
    "c": 0.17245,
    "h": 23.3
  },
  "luminance": 0.15089
}

Semantic roles & 50–950 ramp

primary

#C33B3F

secondary

#8ECCCA

accent

#DDD94B

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#160A08

muted

#847C7B

Preview Lab

Preview with #C33B3F

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

Preview Lab → · Contrast checker → · Palette generator →