#C33738#C33738

#C33738 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.8% C 0.177 H 24.8°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#C33738
RGB	rgb(195, 55, 56)
HSL	hsl(360, 56%, 49%)
HSV	hsv(360, 72%, 76%)
CMYK	cmyk(0%, 71.8%, 71.3%, 23.5%)
CIE-LAB	lab(45.11, 55.17, 32.49)
CIE-LCH	lch(45.11, 64.02, 30.50°)
OKLab	oklab(54.81% 0.1606 0.0744)
OKLCH	oklch(54.81% 0.177 24.8)
XYZ	xyz(24.5884, 14.6237, 5.2686)
Luminance	0.1462 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33738 #37C3C2

analogous

#C3377E #C33738 #C37C37

triadic

#C33738 #38C337 #3738C3

tetradic

#C33738 #7EC337 #37C3C2 #7C37C3

square

#C33738 #7EC337 #37C3C2 #7C37C3

split-complementary

#C33738 #37C37C #377EC3

monochromatic

#641C1D #932A2A #C33738 #D36465 #E19494

Accessibility & contrast

On white

5.35

#C33738 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#C33738 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33738

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33738	#FFFFFF	#000000	##FFFFFF
##C33738	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5837

Deuteranopia (green-blind)

#827633

Tritanopia (blue-blind)

#D60039

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c33738;
/* rgb */ color: rgb(195, 55, 56);
/* oklch */ color: oklch(54.8% 0.177 24.8);

Tailwind

colors: {
  custom: {
    50: '#dd786f',
    500: '#c33738',
    950: '#000000',
  },
}

SCSS

$custom: #c33738;
$custom-light: #dd786f;
$custom-dark: #000000;

JSON

{
  "hex": "#c33738",
  "rgb": {
    "r": 195,
    "g": 55,
    "b": 56
  },
  "hsl": {
    "h": 359.571,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54814,
    "c": 0.17698,
    "h": 24.8
  },
  "luminance": 0.1462
}

Semantic roles & 50–950 ramp

primary

#C33738

secondary

#8ACCCB

accent

#DFDE49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C33738

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

Preview Lab → · Contrast checker → · Palette generator →