#C33B37#C33B37

#C33B37 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.2% C 0.173 H 26.3°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#C33B37
RGB	rgb(195, 59, 55)
HSL	hsl(2, 56%, 49%)
HSV	hsv(2, 72%, 76%)
CMYK	cmyk(0%, 69.7%, 71.8%, 23.5%)
CIE-LAB	lab(45.65, 53.62, 33.69)
CIE-LCH	lch(45.65, 63.33, 32.14°)
OKLab	oklab(55.21% 0.1555 0.0768)
OKLCH	oklch(55.21% 0.173 26.3)
XYZ	xyz(24.7620, 15.0095, 5.2070)
Luminance	0.1501 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33B37 #37BFC3

analogous

#C33779 #C33B37 #C38137

triadic

#C33B37 #37C33B #3B37C3

tetradic

#C33B37 #79C337 #37BFC3 #8137C3

square

#C33B37 #79C337 #37BFC3 #8137C3

split-complementary

#C33B37 #37C381 #3779C3

monochromatic

#641E1C #932D2A #C33B37 #D36764 #E19694

Accessibility & contrast

On white

5.25

#C33B37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#C33B37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33B37

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33B37	#FFFFFF	#000000	##FFFFFF
##C33B37	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625935

Deuteranopia (green-blind)

#847732

Tritanopia (blue-blind)

#D60C3B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c33b37;
/* rgb */ color: rgb(195, 59, 55);
/* oklch */ color: oklch(55.2% 0.173 26.3);

Tailwind

colors: {
  custom: {
    50: '#dd796e',
    500: '#c33b37',
    950: '#000000',
  },
}

SCSS

$custom: #c33b37;
$custom-light: #dd796e;
$custom-dark: #000000;

JSON

{
  "hex": "#c33b37",
  "rgb": {
    "r": 195,
    "g": 59,
    "b": 55
  },
  "hsl": {
    "h": 1.714,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55207,
    "c": 0.17344,
    "h": 26.3
  },
  "luminance": 0.15006
}

Semantic roles & 50–950 ramp

primary

#C33B37

secondary

#8ACACC

accent

#DBDF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C33B37

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

Preview Lab → · Contrast checker → · Palette generator →