#D33730#D33730

#D33730 is a mid, vivid red. Relative luminance 0.168; OKLCH L 57.5% C 0.194 H 27.7°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#D33730
RGB	rgb(211, 55, 48)
HSL	hsl(3, 65%, 51%)
HSV	hsv(3, 77%, 83%)
CMYK	cmyk(0%, 73.9%, 77.3%, 17.3%)
CIE-LAB	lab(48.01, 59.82, 41.09)
CIE-LCH	lch(48.01, 72.57, 34.48°)
OKLab	oklab(57.48% 0.1717 0.0902)
OKLCH	oklch(57.48% 0.194 27.7)
XYZ	xyz(28.7671, 16.7992, 4.5236)
Luminance	0.1679 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33730 #30CCD3

analogous

#D3307A #D33730 #D38930

triadic

#D33730 #30D337 #3730D3

tetradic

#D33730 #7AD330 #30CCD3 #8930D3

square

#D33730 #7AD330 #30CCD3 #8930D3

split-complementary

#D33730 #30D389 #307AD3

monochromatic

#711C18 #A32823 #D33730 #DE6862 #E89995

Accessibility & contrast

On white

4.82

#D33730 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#D33730 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D33730

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33730	#FFFFFF	#000000	##FFFFFF
##D33730	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665C2D

Deuteranopia (green-blind)

#8D7E29

Tritanopia (blue-blind)

#E80037

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #d33730;
/* rgb */ color: rgb(211, 55, 48);
/* oklch */ color: oklch(57.5% 0.194 27.7);

Tailwind

colors: {
  custom: {
    50: '#ea7a69',
    500: '#d33730',
    950: '#000000',
  },
}

SCSS

$custom: #d33730;
$custom-light: #ea7a69;
$custom-dark: #000000;

JSON

{
  "hex": "#d33730",
  "rgb": {
    "r": 211,
    "g": 55,
    "b": 48
  },
  "hsl": {
    "h": 2.577,
    "s": 64.94,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57481,
    "c": 0.19394,
    "h": 27.7
  },
  "luminance": 0.16795
}

Semantic roles & 50–950 ramp

primary

#D33730

secondary

#8BD0D4

accent

#E1E840

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A06

muted

#867C7A

Preview Lab

Preview with #D33730

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

Preview Lab → · Contrast checker → · Palette generator →