#D33A3A#D33A3A

#D33A3A is a mid, vivid red. Relative luminance 0.172; OKLCH L 57.9% C 0.190 H 25.4°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#D33A3A
RGB	rgb(211, 58, 58)
HSL	hsl(0, 63%, 53%)
HSV	hsv(0, 73%, 83%)
CMYK	cmyk(0%, 72.5%, 72.5%, 17.3%)
CIE-LAB	lab(48.49, 59.18, 36.01)
CIE-LCH	lch(48.49, 69.27, 31.32°)
OKLab	oklab(57.88% 0.1717 0.0816)
OKLCH	oklch(57.88% 0.19 25.4)
XYZ	xyz(29.1441, 17.1849, 5.7846)
Luminance	0.1718 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33A3A #3AD3D3

analogous

#D33A86 #D33A3A #D3863A

triadic

#D33A3A #3AD33A #3A3AD3

tetradic

#D33A3A #86D33A #3AD3D3 #863AD3

square

#D33A3A #86D33A #3AD3D3 #863AD3

split-complementary

#D33A3A #3AD386 #3A86D3

monochromatic

#781B1B #AA2626 #D33A3A #DE6C6C #E99E9E

Accessibility & contrast

On white

4.73

#D33A3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#D33A3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D33A3A

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33A3A	#FFFFFF	#000000	##FFFFFF
##D33A3A	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675E38

Deuteranopia (green-blind)

#8D7F35

Tritanopia (blue-blind)

#E8003C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #d33a3a;
/* rgb */ color: rgb(211, 58, 58);
/* oklch */ color: oklch(57.9% 0.190 25.4);

Tailwind

colors: {
  custom: {
    50: '#e97b70',
    500: '#d33a3a',
    950: '#000000',
  },
}

SCSS

$custom: #d33a3a;
$custom-light: #e97b70;
$custom-dark: #000000;

JSON

{
  "hex": "#d33a3a",
  "rgb": {
    "r": 211,
    "g": 58,
    "b": 58
  },
  "hsl": {
    "h": 0,
    "s": 63.485,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5788,
    "c": 0.19014,
    "h": 25.4
  },
  "luminance": 0.1718
}

Semantic roles & 50–950 ramp

primary

#D33A3A

secondary

#93D6D6

accent

#E7E741

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D33A3A

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

Preview Lab → · Contrast checker → · Palette generator →