#D33B33#D33B33

#D33B33 is a mid, vivid red. Relative luminance 0.172; OKLCH L 57.9% C 0.190 H 27.8°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#D33B33
RGB	rgb(211, 59, 51)
HSL	hsl(3, 65%, 51%)
HSV	hsv(3, 76%, 83%)
CMYK	cmyk(0%, 72%, 75.8%, 17.3%)
CIE-LAB	lab(48.54, 58.54, 40.00)
CIE-LCH	lch(48.54, 70.91, 34.34°)
OKLab	oklab(57.89% 0.1683 0.0887)
OKLCH	oklch(57.89% 0.19 27.8)
XYZ	xyz(29.0288, 17.2203, 4.9267)
Luminance	0.1722 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33B33 #33CBD3

analogous

#D3337B #D33B33 #D38B33

triadic

#D33B33 #33D33B #3B33D3

tetradic

#D33B33 #7BD333 #33CBD3 #8B33D3

square

#D33B33 #7BD333 #33CBD3 #8B33D3

split-complementary

#D33B33 #33D38B #337BD3

monochromatic

#731D19 #A52A24 #D33B33 #DE6B65 #E99C98

Accessibility & contrast

On white

4.73

#D33B33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#D33B33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D33B33

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33B33	#FFFFFF	#000000	##FFFFFF
##D33B33	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)

#685E31

Deuteranopia (green-blind)

#8E7F2D

Tritanopia (blue-blind)

#E8003B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #d33b33;
/* rgb */ color: rgb(211, 59, 51);
/* oklch */ color: oklch(57.9% 0.190 27.8);

Tailwind

colors: {
  custom: {
    50: '#ea7b6b',
    500: '#d33b33',
    950: '#000000',
  },
}

SCSS

$custom: #d33b33;
$custom-light: #ea7b6b;
$custom-dark: #000000;

JSON

{
  "hex": "#d33b33",
  "rgb": {
    "r": 211,
    "g": 59,
    "b": 51
  },
  "hsl": {
    "h": 3,
    "s": 64.516,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57887,
    "c": 0.19022,
    "h": 27.8
  },
  "luminance": 0.17216
}

Semantic roles & 50–950 ramp

primary

#D33B33

secondary

#8ED1D4

accent

#DFE840

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D33B33

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

Preview Lab → · Contrast checker → · Palette generator →