#C33F3B#C33F3B

#C33F3B is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.7% C 0.169 H 26.0°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#C33F3B
RGB	rgb(195, 63, 59)
HSL	hsl(2, 54%, 50%)
HSV	hsv(2, 70%, 76%)
CMYK	cmyk(0%, 67.7%, 69.7%, 23.5%)
CIE-LAB	lab(46.28, 52.23, 32.11)
CIE-LCH	lch(46.28, 61.31, 31.58°)
OKLab	oklab(55.7% 0.152 0.0741)
OKLCH	oklch(55.7% 0.169 26)
XYZ	xyz(25.0753, 15.4765, 5.8037)
Luminance	0.1547 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33F3B #3BBFC3

analogous

#C33B7B #C33F3B #C3833B

triadic

#C33F3B #3BC33F #3F3BC3

tetradic

#C33F3B #7BC33B #3BBFC3 #833BC3

square

#C33F3B #7BC33B #3BBFC3 #833BC3

split-complementary

#C33F3B #3BC383 #3B7BC3

monochromatic

#65211F #94302D #C33F3B #D26D69 #E09B98

Accessibility & contrast

On white

5.13

#C33F3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#C33F3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33F3B

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33F3B	#FFFFFF	#000000	##FFFFFF
##C33F3B	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C39

Deuteranopia (green-blind)

#857837

Tritanopia (blue-blind)

#D6193F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c33f3b;
/* rgb */ color: rgb(195, 63, 59);
/* oklch */ color: oklch(55.7% 0.169 26.0);

Tailwind

colors: {
  custom: {
    50: '#dd7c71',
    500: '#c33f3b',
    950: '#000000',
  },
}

SCSS

$custom: #c33f3b;
$custom-light: #dd7c71;
$custom-dark: #000000;

JSON

{
  "hex": "#c33f3b",
  "rgb": {
    "r": 195,
    "g": 63,
    "b": 59
  },
  "hsl": {
    "h": 1.765,
    "s": 53.543,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55698,
    "c": 0.16905,
    "h": 26
  },
  "luminance": 0.15473
}

Semantic roles & 50–950 ramp

primary

#C33F3B

secondary

#8ECACC

accent

#D9DD4B

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C33F3B

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

Preview Lab → · Contrast checker → · Palette generator →