#C33B33#C33B33

#C33B33 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.2% C 0.174 H 27.7°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#C33B33
RGB	rgb(195, 59, 51)
HSL	hsl(3, 59%, 48%)
HSV	hsv(3, 74%, 76%)
CMYK	cmyk(0%, 69.7%, 73.8%, 23.5%)
CIE-LAB	lab(45.60, 53.44, 35.93)
CIE-LCH	lch(45.60, 64.40, 33.92°)
OKLab	oklab(55.15% 0.1541 0.0809)
OKLCH	oklch(55.15% 0.174 27.7)
XYZ	xyz(24.6699, 14.9727, 4.7223)
Luminance	0.1497 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33B33 #33BBC3

analogous

#C33373 #C33B33 #C38333

triadic

#C33B33 #33C33B #3B33C3

tetradic

#C33B33 #73C333 #33BBC3 #8333C3

square

#C33B33 #73C333 #33BBC3 #8333C3

split-complementary

#C33B33 #33C383 #3373C3

monochromatic

#621E1A #922C26 #C33B33 #D5655E #E2938F

Accessibility & contrast

On white

5.26

#C33B33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#C33B33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33B33

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33B33	#FFFFFF	#000000	##FFFFFF
##C33B33	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625931

Deuteranopia (green-blind)

#84772E

Tritanopia (blue-blind)

#D6093A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c33b33;
/* rgb */ color: rgb(195, 59, 51);
/* oklch */ color: oklch(55.2% 0.174 27.7);

Tailwind

colors: {
  custom: {
    50: '#de796b',
    500: '#c33b33',
    950: '#000000',
  },
}

SCSS

$custom: #c33b33;
$custom-light: #de796b;
$custom-dark: #000000;

JSON

{
  "hex": "#c33b33",
  "rgb": {
    "r": 195,
    "g": 59,
    "b": 51
  },
  "hsl": {
    "h": 3.333,
    "s": 58.537,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55154,
    "c": 0.17402,
    "h": 27.7
  },
  "luminance": 0.14969
}

Semantic roles & 50–950 ramp

primary

#C33B33

secondary

#86C8CC

accent

#D9E246

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C33B33

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

Preview Lab → · Contrast checker → · Palette generator →