#C33A37#C33A37

#C33A37 is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.1% C 0.174 H 26.0°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#C33A37
RGB	rgb(195, 58, 55)
HSL	hsl(1, 56%, 49%)
HSV	hsv(1, 72%, 76%)
CMYK	cmyk(0%, 70.3%, 71.8%, 23.5%)
CIE-LAB	lab(45.51, 54.00, 33.53)
CIE-LCH	lch(45.51, 63.57, 31.84°)
OKLab	oklab(55.1% 0.1567 0.0765)
OKLCH	oklch(55.1% 0.174 26)
XYZ	xyz(24.7111, 14.9077, 5.1900)
Luminance	0.1490 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33A37 #37C0C3

analogous

#C3377A #C33A37 #C38037

triadic

#C33A37 #37C33A #3A37C3

tetradic

#C33A37 #7AC337 #37C0C3 #8037C3

square

#C33A37 #7AC337 #37C0C3 #8037C3

split-complementary

#C33A37 #37C380 #377AC3

monochromatic

#641E1C #932C2A #C33A37 #D36664 #E19594

Accessibility & contrast

On white

5.28

#C33A37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#C33A37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33A37

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33A37	#FFFFFF	#000000	##FFFFFF
##C33A37	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615935

Deuteranopia (green-blind)

#837732

Tritanopia (blue-blind)

#D6073B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c33a37;
/* rgb */ color: rgb(195, 58, 55);
/* oklch */ color: oklch(55.1% 0.174 26.0);

Tailwind

colors: {
  custom: {
    50: '#dd796e',
    500: '#c33a37',
    950: '#000000',
  },
}

SCSS

$custom: #c33a37;
$custom-light: #dd796e;
$custom-dark: #000000;

JSON

{
  "hex": "#c33a37",
  "rgb": {
    "r": 195,
    "g": 58,
    "b": 55
  },
  "hsl": {
    "h": 1.286,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55103,
    "c": 0.17437,
    "h": 26
  },
  "luminance": 0.14904
}

Semantic roles & 50–950 ramp

primary

#C33A37

secondary

#8ACACC

accent

#DCDF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C33A37

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

Preview Lab → · Contrast checker → · Palette generator →