#D33D3D#D33D3D

#D33D3D is a mid, vivid red. Relative luminance 0.175; OKLCH L 58.2% C 0.187 H 25.1°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#D33D3D
RGB	rgb(211, 61, 61)
HSL	hsl(0, 63%, 53%)
HSV	hsv(0, 71%, 83%)
CMYK	cmyk(0%, 71.1%, 71.1%, 17.3%)
CIE-LAB	lab(48.92, 58.24, 34.78)
CIE-LCH	lch(48.92, 67.84, 30.84°)
OKLab	oklab(58.21% 0.1694 0.0795)
OKLCH	oklch(58.21% 0.187 25.1)
XYZ	xyz(29.3783, 17.5277, 6.2502)
Luminance	0.1752 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33D3D #3DD3D3

analogous

#D33D88 #D33D3D #D3883D

triadic

#D33D3D #3DD33D #3D3DD3

tetradic

#D33D3D #88D33D #3DD3D3 #883DD3

square

#D33D3D #88D33D #3DD3D3 #883DD3

split-complementary

#D33D3D #3DD388 #3D88D3

monochromatic

#7A1C1C #AC2727 #D33D3D #DE6F6F #EAA1A1

Accessibility & contrast

On white

4.66

#D33D3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#D33D3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D33D3D

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33D3D	#FFFFFF	#000000	##FFFFFF
##D33D3D	1.00	4.66	4.50	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68603B

Deuteranopia (green-blind)

#8E8038

Tritanopia (blue-blind)

#E8003F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #d33d3d;
/* rgb */ color: rgb(211, 61, 61);
/* oklch */ color: oklch(58.2% 0.187 25.1);

Tailwind

colors: {
  custom: {
    50: '#e97d73',
    500: '#d33d3d',
    950: '#000000',
  },
}

SCSS

$custom: #d33d3d;
$custom-light: #e97d73;
$custom-dark: #000000;

JSON

{
  "hex": "#d33d3d",
  "rgb": {
    "r": 211,
    "g": 61,
    "b": 61
  },
  "hsl": {
    "h": 0,
    "s": 63.025,
    "l": 53.333
  },
  "oklch": {
    "l": 0.5821,
    "c": 0.18715,
    "h": 25.1
  },
  "luminance": 0.17523
}

Semantic roles & 50–950 ramp

primary

#D33D3D

secondary

#96D6D6

accent

#E6E642

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180A08

muted

#867C7B

Preview Lab

Preview with #D33D3D

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

Preview Lab → · Contrast checker → · Palette generator →