#C33A28#C33A28

#C33A28 is a mid, vivid red. Relative luminance 0.148; OKLCH L 54.9% C 0.177 H 30.8°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#C33A28
RGB	rgb(195, 58, 40)
HSL	hsl(7, 66%, 46%)
HSV	hsv(7, 79%, 76%)
CMYK	cmyk(0%, 70.3%, 79.5%, 23.5%)
CIE-LAB	lab(45.34, 53.41, 41.71)
CIE-LCH	lch(45.34, 67.76, 37.99°)
OKLab	oklab(54.92% 0.1518 0.0904)
OKLCH	oklch(54.92% 0.177 30.8)
XYZ	xyz(24.4046, 14.7851, 3.5759)
Luminance	0.1478 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33A28 #28B1C3

analogous

#C32863 #C33A28 #C38728

triadic

#C33A28 #28C33A #3A28C3

tetradic

#C33A28 #63C328 #28B1C3 #8728C3

square

#C33A28 #63C328 #28B1C3 #8728C3

split-complementary

#C33A28 #28C387 #2863C3

monochromatic

#5D1C13 #902B1E #C33A28 #DB5E4E #E58C80

Accessibility & contrast

On white

5.31

#C33A28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#C33A28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33A28

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33A28	#FFFFFF	#000000	##FFFFFF
##C33A28	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625825

Deuteranopia (green-blind)

#847622

Tritanopia (blue-blind)

#D70037

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c33a28;
/* rgb */ color: rgb(195, 58, 40);
/* oklch */ color: oklch(54.9% 0.177 30.8);

Tailwind

colors: {
  custom: {
    50: '#de7964',
    500: '#c33a28',
    950: '#000000',
  },
}

SCSS

$custom: #c33a28;
$custom-light: #de7964;
$custom-dark: #000000;

JSON

{
  "hex": "#c33a28",
  "rgb": {
    "r": 195,
    "g": 58,
    "b": 40
  },
  "hsl": {
    "h": 6.968,
    "s": 65.957,
    "l": 46.078
  },
  "oklch": {
    "l": 0.54923,
    "c": 0.17669,
    "h": 30.8
  },
  "luminance": 0.14781
}

Semantic roles & 50–950 ramp

primary

#C33A28

secondary

#79C4CE

accent

#D5E93F

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A05

muted

#857C7A

Preview Lab

Preview with #C33A28

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

Preview Lab → · Contrast checker → · Palette generator →