#D33E3B#D33E3B

#D33E3B is a mid, vivid red. Relative luminance 0.176; OKLCH L 58.3% C 0.186 H 26.0°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#D33E3B
RGB	rgb(211, 62, 59)
HSL	hsl(1, 63%, 53%)
HSV	hsv(1, 72%, 83%)
CMYK	cmyk(0%, 70.6%, 72%, 17.3%)
CIE-LAB	lab(49.02, 57.79, 36.05)
CIE-LCH	lch(49.02, 68.11, 31.96°)
OKLab	oklab(58.28% 0.1676 0.0819)
OKLCH	oklch(58.28% 0.187 26)
XYZ	xyz(29.3793, 17.6143, 5.9897)
Luminance	0.1761 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33E3B #3BD0D3

analogous

#D33B84 #D33E3B #D38A3B

triadic

#D33E3B #3BD33E #3E3BD3

tetradic

#D33E3B #84D33B #3BD0D3 #8A3BD3

square

#D33E3B #84D33B #3BD0D3 #8A3BD3

split-complementary

#D33E3B #3BD38A #3B84D3

monochromatic

#791D1B #AB2926 #D33E3B #DE6F6D #E9A09F

Accessibility & contrast

On white

4.64

#D33E3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#D33E3B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D33E3B

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33E3B	#FFFFFF	#000000	##FFFFFF
##D33E3B	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696039

Deuteranopia (green-blind)

#8E8036

Tritanopia (blue-blind)

#E8013F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #d33e3b;
/* rgb */ color: rgb(211, 62, 59);
/* oklch */ color: oklch(58.3% 0.186 26.0);

Tailwind

colors: {
  custom: {
    50: '#e97d71',
    500: '#d33e3b',
    950: '#000000',
  },
}

SCSS

$custom: #d33e3b;
$custom-light: #e97d71;
$custom-dark: #000000;

JSON

{
  "hex": "#d33e3b",
  "rgb": {
    "r": 211,
    "g": 62,
    "b": 59
  },
  "hsl": {
    "h": 1.184,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.58282,
    "c": 0.1865,
    "h": 26
  },
  "luminance": 0.1761
}

Semantic roles & 50–950 ramp

primary

#D33E3B

secondary

#94D4D6

accent

#E3E641

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D33E3B

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

Preview Lab → · Contrast checker → · Palette generator →