#C33937#C33937

#C33937 is a mid, vivid red. Relative luminance 0.148; OKLCH L 55.0% C 0.175 H 25.7°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#C33937
RGB	rgb(195, 57, 55)
HSL	hsl(1, 56%, 49%)
HSV	hsv(1, 72%, 76%)
CMYK	cmyk(0%, 70.8%, 71.8%, 23.5%)
CIE-LAB	lab(45.37, 54.38, 33.37)
CIE-LCH	lch(45.37, 63.80, 31.54°)
OKLab	oklab(55% 0.1579 0.0761)
OKLCH	oklch(55% 0.175 25.7)
XYZ	xyz(24.6611, 14.8079, 5.1734)
Luminance	0.1480 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33937 #37C1C3

analogous

#C3377B #C33937 #C37F37

triadic

#C33937 #37C339 #3937C3

tetradic

#C33937 #7BC337 #37C1C3 #7F37C3

square

#C33937 #7BC337 #37C1C3 #7F37C3

split-complementary

#C33937 #37C37F #377BC3

monochromatic

#641D1C #932B2A #C33937 #D36664 #E19594

Accessibility & contrast

On white

5.30

#C33937 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#C33937 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33937

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33937	#FFFFFF	#000000	##FFFFFF
##C33937	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615835

Deuteranopia (green-blind)

#837632

Tritanopia (blue-blind)

#D6033A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c33937;
/* rgb */ color: rgb(195, 57, 55);
/* oklch */ color: oklch(55.0% 0.175 25.7);

Tailwind

colors: {
  custom: {
    50: '#dd796e',
    500: '#c33937',
    950: '#000000',
  },
}

SCSS

$custom: #c33937;
$custom-light: #dd796e;
$custom-dark: #000000;

JSON

{
  "hex": "#c33937",
  "rgb": {
    "r": 195,
    "g": 57,
    "b": 55
  },
  "hsl": {
    "h": 0.857,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55,
    "c": 0.17529,
    "h": 25.7
  },
  "luminance": 0.14804
}

Semantic roles & 50–950 ramp

primary

#C33937

secondary

#8ACBCC

accent

#DDDF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C33937

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

Preview Lab → · Contrast checker → · Palette generator →