#D33E37#D33E37

#D33E37 is a mid, vivid red. Relative luminance 0.176; OKLCH L 58.2% C 0.187 H 27.3°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#D33E37
RGB	rgb(211, 62, 55)
HSL	hsl(3, 64%, 52%)
HSV	hsv(3, 74%, 83%)
CMYK	cmyk(0%, 70.6%, 73.9%, 17.3%)
CIE-LAB	lab(48.98, 57.62, 38.26)
CIE-LCH	lch(48.98, 69.16, 33.58°)
OKLab	oklab(58.23% 0.1662 0.0859)
OKLCH	oklch(58.23% 0.187 27.3)
XYZ	xyz(29.2795, 17.5744, 5.4642)
Luminance	0.1757 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33E37 #37CCD3

analogous

#D3377E #D33E37 #D38C37

triadic

#D33E37 #37D33E #3E37D3

tetradic

#D33E37 #7ED337 #37CCD3 #8C37D3

square

#D33E37 #7ED337 #37CCD3 #8C37D3

split-complementary

#D33E37 #37D38C #377ED3

monochromatic

#761E1A #A82B25 #D33E37 #DE6E69 #E99F9B

Accessibility & contrast

On white

4.65

#D33E37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#D33E37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D33E37

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33E37	#FFFFFF	#000000	##FFFFFF
##D33E37	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696035

Deuteranopia (green-blind)

#8E8032

Tritanopia (blue-blind)

#E8003E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #d33e37;
/* rgb */ color: rgb(211, 62, 55);
/* oklch */ color: oklch(58.2% 0.187 27.3);

Tailwind

colors: {
  custom: {
    50: '#e97d6e',
    500: '#d33e37',
    950: '#000000',
  },
}

SCSS

$custom: #d33e37;
$custom-light: #e97d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#d33e37",
  "rgb": {
    "r": 211,
    "g": 62,
    "b": 55
  },
  "hsl": {
    "h": 2.692,
    "s": 63.934,
    "l": 52.157
  },
  "oklch": {
    "l": 0.58229,
    "c": 0.18705,
    "h": 27.3
  },
  "luminance": 0.1757
}

Semantic roles & 50–950 ramp

primary

#D33E37

secondary

#91D2D5

accent

#DFE741

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D33E37

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

Preview Lab → · Contrast checker → · Palette generator →