#D33F3E#D33F3E

#D33F3E is a mid, vivid red. Relative luminance 0.178; OKLCH L 58.4% C 0.185 H 25.3°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#D33F3E
RGB	rgb(211, 63, 62)
HSL	hsl(0, 63%, 54%)
HSV	hsv(0, 71%, 83%)
CMYK	cmyk(0%, 70.1%, 70.6%, 17.3%)
CIE-LAB	lab(49.20, 57.55, 34.53)
CIE-LCH	lch(49.20, 67.12, 30.96°)
OKLab	oklab(58.42% 0.1674 0.0792)
OKLCH	oklch(58.42% 0.185 25.3)
XYZ	xyz(29.5142, 17.7561, 6.4297)
Luminance	0.1775 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33F3E #3ED2D3

analogous

#D33E87 #D33F3E #D3893E

triadic

#D33F3E #3ED33F #3F3ED3

tetradic

#D33F3E #87D33E #3ED2D3 #893ED3

square

#D33F3E #87D33E #3ED2D3 #893ED3

split-complementary

#D33F3E #3ED389 #3E87D3

monochromatic

#7B1D1C #AC2827 #D33F3E #DE7170 #EAA2A2

Accessibility & contrast

On white

4.61

#D33F3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#D33F3E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D33F3E

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33F3E	#FFFFFF	#000000	##FFFFFF
##D33F3E	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69613C

Deuteranopia (green-blind)

#8E8139

Tritanopia (blue-blind)

#E80841

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #d33f3e;
/* rgb */ color: rgb(211, 63, 62);
/* oklch */ color: oklch(58.4% 0.185 25.3);

Tailwind

colors: {
  custom: {
    50: '#e97d73',
    500: '#d33f3e',
    950: '#000000',
  },
}

SCSS

$custom: #d33f3e;
$custom-light: #e97d73;
$custom-dark: #000000;

JSON

{
  "hex": "#d33f3e",
  "rgb": {
    "r": 211,
    "g": 63,
    "b": 62
  },
  "hsl": {
    "h": 0.403,
    "s": 62.869,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58424,
    "c": 0.1852,
    "h": 25.3
  },
  "luminance": 0.17752
}

Semantic roles & 50–950 ramp

primary

#D33F3E

secondary

#96D6D6

accent

#E5E642

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#180A08

muted

#867C7B

Preview Lab

Preview with #D33F3E

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

Preview Lab → · Contrast checker → · Palette generator →