#D33E3F#D33E3F

#D33E3F is a mid, vivid red. Relative luminance 0.177; OKLCH L 58.3% C 0.186 H 24.7°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#D33E3F
RGB	rgb(211, 62, 63)
HSL	hsl(360, 63%, 54%)
HSV	hsv(360, 71%, 83%)
CMYK	cmyk(0%, 70.6%, 70.1%, 17.3%)
CIE-LAB	lab(49.08, 57.97, 33.81)
CIE-LCH	lch(49.08, 67.11, 30.25°)
OKLab	oklab(58.34% 0.169 0.0778)
OKLCH	oklch(58.34% 0.186 24.7)
XYZ	xyz(29.4870, 17.6574, 6.5572)
Luminance	0.1765 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33E3F #3ED3D2

analogous

#D33E89 #D33E3F #D3873E

triadic

#D33E3F #3FD33E #3E3FD3

tetradic

#D33E3F #89D33E #3ED3D2 #873ED3

square

#D33E3F #89D33E #3ED3D2 #873ED3

split-complementary

#D33E3F #3ED387 #3E89D3

monochromatic

#7B1C1D #AC2728 #D33E3F #DE7071 #EAA2A2

Accessibility & contrast

On white

4.64

#D33E3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#D33E3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D33E3F

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33E3F	#FFFFFF	#000000	##FFFFFF
##D33E3F	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)

#68603E

Deuteranopia (green-blind)

#8E803A

Tritanopia (blue-blind)

#E80440

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #d33e3f;
/* rgb */ color: rgb(211, 62, 63);
/* oklch */ color: oklch(58.3% 0.186 24.7);

Tailwind

colors: {
  custom: {
    50: '#e97d74',
    500: '#d33e3f',
    950: '#000000',
  },
}

SCSS

$custom: #d33e3f;
$custom-light: #e97d74;
$custom-dark: #000000;

JSON

{
  "hex": "#d33e3f",
  "rgb": {
    "r": 211,
    "g": 62,
    "b": 63
  },
  "hsl": {
    "h": 359.597,
    "s": 62.869,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58338,
    "c": 0.186,
    "h": 24.7
  },
  "luminance": 0.17653
}

Semantic roles & 50–950 ramp

primary

#D33E3F

secondary

#96D6D6

accent

#E6E542

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#180A08

muted

#867C7B

Preview Lab

Preview with #D33E3F

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

Preview Lab → · Contrast checker → · Palette generator →