#D33F38#D33F38

#D33F38 is a mid, vivid red. Relative luminance 0.177; OKLCH L 58.3% C 0.186 H 27.3°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#D33F38
RGB	rgb(211, 63, 56)
HSL	hsl(3, 64%, 52%)
HSV	hsv(3, 73%, 83%)
CMYK	cmyk(0%, 70.1%, 73.5%, 17.3%)
CIE-LAB	lab(49.12, 57.29, 37.86)
CIE-LCH	lch(49.12, 68.67, 33.46°)
OKLab	oklab(58.34% 0.1654 0.0852)
OKLCH	oklch(58.34% 0.186 27.3)
XYZ	xyz(29.3586, 17.6938, 5.6100)
Luminance	0.1769 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33F38 #38CCD3

analogous

#D3387E #D33F38 #D38D38

triadic

#D33F38 #38D33F #3F38D3

tetradic

#D33F38 #7ED338 #38CCD3 #8D38D3

square

#D33F38 #7ED338 #38CCD3 #8D38D3

split-complementary

#D33F38 #38D38D #387ED3

monochromatic

#761E1A #A92B25 #D33F38 #DE6F6A #E9A09C

Accessibility & contrast

On white

4.63

#D33F38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#D33F38 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D33F38

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33F38	#FFFFFF	#000000	##FFFFFF
##D33F38	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6036

Deuteranopia (green-blind)

#8F8133

Tritanopia (blue-blind)

#E8033F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #d33f38;
/* rgb */ color: rgb(211, 63, 56);
/* oklch */ color: oklch(58.3% 0.186 27.3);

Tailwind

colors: {
  custom: {
    50: '#e97d6f',
    500: '#d33f38',
    950: '#000000',
  },
}

SCSS

$custom: #d33f38;
$custom-light: #e97d6f;
$custom-dark: #000000;

JSON

{
  "hex": "#d33f38",
  "rgb": {
    "r": 211,
    "g": 63,
    "b": 56
  },
  "hsl": {
    "h": 2.71,
    "s": 63.786,
    "l": 52.353
  },
  "oklch": {
    "l": 0.58343,
    "c": 0.18602,
    "h": 27.3
  },
  "luminance": 0.17689
}

Semantic roles & 50–950 ramp

primary

#D33F38

secondary

#92D2D5

accent

#DFE741

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D33F38

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

Preview Lab → · Contrast checker → · Palette generator →