#C33828#C33828

#C33828 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.7% C 0.178 H 30.2°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#C33828
RGB	rgb(195, 56, 40)
HSL	hsl(6, 66%, 46%)
HSV	hsv(6, 79%, 76%)
CMYK	cmyk(0%, 71.3%, 79.5%, 23.5%)
CIE-LAB	lab(45.06, 54.16, 41.43)
CIE-LCH	lch(45.06, 68.19, 37.42°)
OKLab	oklab(54.72% 0.1541 0.0898)
OKLCH	oklch(54.72% 0.178 30.2)
XYZ	xyz(24.3057, 14.5874, 3.5429)
Luminance	0.1458 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C33828 #28B3C3

analogous

#C32865 #C33828 #C38528

triadic

#C33828 #28C338 #3828C3

tetradic

#C33828 #65C328 #28B3C3 #8528C3

square

#C33828 #65C328 #28B3C3 #8528C3

split-complementary

#C33828 #28C385 #2865C3

monochromatic

#5D1B13 #90291E #C33828 #DB5C4E #E58B80

Accessibility & contrast

On white

5.36

#C33828 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#C33828 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33828

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C33828	#FFFFFF	#000000	##FFFFFF
##C33828	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615725

Deuteranopia (green-blind)

#847622

Tritanopia (blue-blind)

#D70036

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c33828;
/* rgb */ color: rgb(195, 56, 40);
/* oklch */ color: oklch(54.7% 0.178 30.2);

Tailwind

colors: {
  custom: {
    50: '#de7863',
    500: '#c33828',
    950: '#000000',
  },
}

SCSS

$custom: #c33828;
$custom-light: #de7863;
$custom-dark: #000000;

JSON

{
  "hex": "#c33828",
  "rgb": {
    "r": 195,
    "g": 56,
    "b": 40
  },
  "hsl": {
    "h": 6.194,
    "s": 65.957,
    "l": 46.078
  },
  "oklch": {
    "l": 0.54717,
    "c": 0.17841,
    "h": 30.2
  },
  "luminance": 0.14584
}

Semantic roles & 50–950 ramp

primary

#C33828

secondary

#79C5CE

accent

#D7E93F

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170905

muted

#857B7A

Preview Lab

Preview with #C33828

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

Preview Lab → · Contrast checker → · Palette generator →