#C33537#C33537

#C33537 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.6% C 0.179 H 24.7°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#C33537
RGB	rgb(195, 53, 55)
HSL	hsl(359, 57%, 49%)
HSV	hsv(359, 73%, 76%)
CMYK	cmyk(0%, 72.8%, 71.8%, 23.5%)
CIE-LAB	lab(44.84, 55.84, 32.76)
CIE-LCH	lch(44.84, 64.74, 30.40°)
OKLab	oklab(54.61% 0.1625 0.0748)
OKLCH	oklch(54.61% 0.179 24.7)
XYZ	xyz(24.4711, 14.4279, 5.1100)
Luminance	0.1442 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33537 #35C3C1

analogous

#C3357E #C33537 #C37A35

triadic

#C33537 #37C335 #3537C3

tetradic

#C33537 #7EC335 #35C3C1 #7A35C3

square

#C33537 #7EC335 #35C3C1 #7A35C3

split-complementary

#C33537 #35C37A #357EC3

monochromatic

#631B1C #932829 #C33537 #D46163 #E19192

Accessibility & contrast

On white

5.41

#C33537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#C33537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33537

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33537	#FFFFFF	#000000	##FFFFFF
##C33537	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5736

Deuteranopia (green-blind)

#827532

Tritanopia (blue-blind)

#D60037

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c33537;
/* rgb */ color: rgb(195, 53, 55);
/* oklch */ color: oklch(54.6% 0.179 24.7);

Tailwind

colors: {
  custom: {
    50: '#de776e',
    500: '#c33537',
    950: '#000000',
  },
}

SCSS

$custom: #c33537;
$custom-light: #de776e;
$custom-dark: #000000;

JSON

{
  "hex": "#c33537",
  "rgb": {
    "r": 195,
    "g": 53,
    "b": 55
  },
  "hsl": {
    "h": 359.155,
    "s": 57.258,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54605,
    "c": 0.17889,
    "h": 24.7
  },
  "luminance": 0.14424
}

Semantic roles & 50–950 ramp

primary

#C33537

secondary

#88CCCB

accent

#E1DE47

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170907

muted

#857B7A

Preview Lab

Preview with #C33537

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

Preview Lab → · Contrast checker → · Palette generator →