#D33F2A#D33F2A

#D33F2A is a mid, vivid red. Relative luminance 0.176; OKLCH L 58.2% C 0.188 H 31.2°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#D33F2A
RGB	rgb(211, 63, 42)
HSL	hsl(7, 67%, 50%)
HSV	hsv(7, 80%, 83%)
CMYK	cmyk(0%, 70.1%, 80.1%, 17.3%)
CIE-LAB	lab(48.98, 56.78, 45.26)
CIE-LCH	lch(48.98, 72.61, 38.56°)
OKLab	oklab(58.19% 0.161 0.0975)
OKLCH	oklch(58.19% 0.188 31.2)
XYZ	xyz(29.0628, 17.5755, 4.0522)
Luminance	0.1757 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33F2A #2ABED3

analogous

#D32A69 #D33F2A #D3942A

triadic

#D33F2A #2AD33F #3F2AD3

tetradic

#D33F2A #69D32A #2ABED3 #942AD3

square

#D33F2A #69D32A #2ABED3 #942AD3

split-complementary

#D33F2A #2AD394 #2A69D3

monochromatic

#6D2116 #A03020 #D33F2A #DE6C5C #E99A8F

Accessibility & contrast

On white

4.65

#D33F2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#D33F2A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D33F2A

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33F2A	#FFFFFF	#000000	##FFFFFF
##D33F2A	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B6026

Deuteranopia (green-blind)

#8F8023

Tritanopia (blue-blind)

#E8003C

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #d33f2a;
/* rgb */ color: rgb(211, 63, 42);
/* oklch */ color: oklch(58.2% 0.188 31.2);

Tailwind

colors: {
  custom: {
    50: '#ea7d66',
    500: '#d33f2a',
    950: '#000000',
  },
}

SCSS

$custom: #d33f2a;
$custom-light: #ea7d66;
$custom-dark: #000000;

JSON

{
  "hex": "#d33f2a",
  "rgb": {
    "r": 211,
    "g": 63,
    "b": 42
  },
  "hsl": {
    "h": 7.456,
    "s": 66.798,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58188,
    "c": 0.18821,
    "h": 31.2
  },
  "luminance": 0.17571
}

Semantic roles & 50–950 ramp

primary

#D33F2A

secondary

#86C9D3

accent

#D4EA3E

background

#FFF8F6

surface

#FFEFEB

border

#D7CAC6

text

#180A06

muted

#867C7A

Preview Lab

Preview with #D33F2A

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

Preview Lab → · Contrast checker → · Palette generator →