#D33E3A#D33E3A

#D33E3A is a mid, vivid red. Relative luminance 0.176; OKLCH L 58.3% C 0.187 H 26.4°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#D33E3A
RGB	rgb(211, 62, 58)
HSL	hsl(2, 63%, 53%)
HSV	hsv(2, 73%, 83%)
CMYK	cmyk(0%, 70.6%, 72.5%, 17.3%)
CIE-LAB	lab(49.01, 57.74, 36.60)
CIE-LCH	lch(49.01, 68.37, 32.37°)
OKLab	oklab(58.27% 0.1672 0.0829)
OKLCH	oklch(58.27% 0.187 26.4)
XYZ	xyz(29.3536, 17.6040, 5.8545)
Luminance	0.1760 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33E3A #3ACFD3

analogous

#D33A82 #D33E3A #D38B3A

triadic

#D33E3A #3AD33E #3E3AD3

tetradic

#D33E3A #82D33A #3ACFD3 #8B3AD3

square

#D33E3A #82D33A #3ACFD3 #8B3AD3

split-complementary

#D33E3A #3AD38B #3A82D3

monochromatic

#781D1B #AA2926 #D33E3A #DE6F6C #E9A09E

Accessibility & contrast

On white

4.65

#D33E3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#D33E3A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D33E3A

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33E3A	#FFFFFF	#000000	##FFFFFF
##D33E3A	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696038

Deuteranopia (green-blind)

#8E8035

Tritanopia (blue-blind)

#E8003F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #d33e3a;
/* rgb */ color: rgb(211, 62, 58);
/* oklch */ color: oklch(58.3% 0.187 26.4);

Tailwind

colors: {
  custom: {
    50: '#e97d70',
    500: '#d33e3a',
    950: '#000000',
  },
}

SCSS

$custom: #d33e3a;
$custom-light: #e97d70;
$custom-dark: #000000;

JSON

{
  "hex": "#d33e3a",
  "rgb": {
    "r": 211,
    "g": 62,
    "b": 58
  },
  "hsl": {
    "h": 1.569,
    "s": 63.485,
    "l": 52.745
  },
  "oklch": {
    "l": 0.58268,
    "c": 0.18664,
    "h": 26.4
  },
  "luminance": 0.176
}

Semantic roles & 50–950 ramp

primary

#D33E3A

secondary

#93D4D6

accent

#E2E741

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D33E3A

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

Preview Lab → · Contrast checker → · Palette generator →