#D33E3E#D33E3E

#D33E3E is a mid, vivid red. Relative luminance 0.176; OKLCH L 58.3% C 0.186 H 25.0°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#D33E3E
RGB	rgb(211, 62, 62)
HSL	hsl(0, 63%, 54%)
HSV	hsv(0, 71%, 83%)
CMYK	cmyk(0%, 70.6%, 70.6%, 17.3%)
CIE-LAB	lab(49.06, 57.93, 34.37)
CIE-LCH	lch(49.06, 67.36, 30.68°)
OKLab	oklab(58.32% 0.1686 0.0788)
OKLCH	oklch(58.32% 0.186 25)
XYZ	xyz(29.4594, 17.6463, 6.4114)
Luminance	0.1764 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33E3E #3ED3D3

analogous

#D33E88 #D33E3E #D3883E

triadic

#D33E3E #3ED33E #3E3ED3

tetradic

#D33E3E #88D33E #3ED3D3 #883ED3

square

#D33E3E #88D33E #3ED3D3 #883ED3

split-complementary

#D33E3E #3ED388 #3E88D3

monochromatic

#7B1C1C #AC2727 #D33E3E #DE7070 #EAA2A2

Accessibility & contrast

On white

4.64

#D33E3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#D33E3E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D33E3E

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33E3E	#FFFFFF	#000000	##FFFFFF
##D33E3E	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69603C

Deuteranopia (green-blind)

#8E8039

Tritanopia (blue-blind)

#E80340

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #d33e3e;
/* rgb */ color: rgb(211, 62, 62);
/* oklch */ color: oklch(58.3% 0.186 25.0);

Tailwind

colors: {
  custom: {
    50: '#e97d73',
    500: '#d33e3e',
    950: '#000000',
  },
}

SCSS

$custom: #d33e3e;
$custom-light: #e97d73;
$custom-dark: #000000;

JSON

{
  "hex": "#d33e3e",
  "rgb": {
    "r": 211,
    "g": 62,
    "b": 62
  },
  "hsl": {
    "h": 0,
    "s": 62.869,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58324,
    "c": 0.18611,
    "h": 25
  },
  "luminance": 0.17642
}

Semantic roles & 50–950 ramp

primary

#D33E3E

secondary

#96D6D6

accent

#E6E642

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#180A08

muted

#867C7B

Preview Lab

Preview with #D33E3E

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

Preview Lab → · Contrast checker → · Palette generator →