#D33F36#D33F36

#D33F36 is a mid, vivid red. Relative luminance 0.177; OKLCH L 58.3% C 0.186 H 27.9°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#D33F36
RGB	rgb(211, 63, 54)
HSL	hsl(3, 64%, 52%)
HSV	hsv(3, 74%, 83%)
CMYK	cmyk(0%, 70.1%, 74.4%, 17.3%)
CIE-LAB	lab(49.10, 57.21, 38.95)
CIE-LCH	lch(49.10, 69.21, 34.25°)
OKLab	oklab(58.32% 0.1647 0.0871)
OKLCH	oklch(58.32% 0.186 27.9)
XYZ	xyz(29.3107, 17.6747, 5.3575)
Luminance	0.1767 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33F36 #36CAD3

analogous

#D3367C #D33F36 #D38D36

triadic

#D33F36 #36D33F #3F36D3

tetradic

#D33F36 #7CD336 #36CAD3 #8D36D3

square

#D33F36 #7CD336 #36CAD3 #8D36D3

split-complementary

#D33F36 #36D38D #367CD3

monochromatic

#751F1A #A72C25 #D33F36 #DE6F68 #E99F9A

Accessibility & contrast

On white

4.63

#D33F36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#D33F36 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D33F36

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33F36	#FFFFFF	#000000	##FFFFFF
##D33F36	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6034

Deuteranopia (green-blind)

#8F8031

Tritanopia (blue-blind)

#E8023E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #d33f36;
/* rgb */ color: rgb(211, 63, 54);
/* oklch */ color: oklch(58.3% 0.186 27.9);

Tailwind

colors: {
  custom: {
    50: '#e97d6e',
    500: '#d33f36',
    950: '#000000',
  },
}

SCSS

$custom: #d33f36;
$custom-light: #e97d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#d33f36",
  "rgb": {
    "r": 211,
    "g": 63,
    "b": 54
  },
  "hsl": {
    "h": 3.439,
    "s": 64.082,
    "l": 51.961
  },
  "oklch": {
    "l": 0.58318,
    "c": 0.18632,
    "h": 27.9
  },
  "luminance": 0.1767
}

Semantic roles & 50–950 ramp

primary

#D33F36

secondary

#90D1D5

accent

#DEE741

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D33F36

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

Preview Lab → · Contrast checker → · Palette generator →