Skip to content

#f03b21

a balanced, electric red · warm · closest name: tomato

RGB
240, 59, 33
HSL
8°, 87%, 54%
CMYK
0, 75, 86, 6
Luminance
0.2176

Every format

HEX#f03b21
RGBrgb(240, 59, 33)
HSLhsl(8, 87%, 54%)
CMYKcmyk(0%, 75%, 86%, 6%)
LABlab(53.8 66.8 55.8)
LCHlch(53.8 87.1 39.9)
OKLCHoklch(0.627 0.220 31.4)

Copy-ready code

/* CSS */
color: #f03b21;
background-color: #f03b21;
/* Tailwind (arbitrary) */
class="text-[#f03b21] bg-[#f03b21]"
/* SCSS */
$brand: #f03b21;
/* SwiftUI */
Color(red: 0.941, green: 0.231, blue: 0.129)
/* Android */
Color.parseColor("#f03b21")

Accessibility — WCAG contrast

Aa
#f03b21 on white: 3.92:1
AA ✗ fail · AA-large · AAA
Aa
#f03b21 on black: 5.35:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red94.1%
Green23.1%
Blue12.9%

CMYK percentages

Cyan0.0%
Magenta75.4%
Yellow86.3%
Key (black)5.9%

Color previews

#f03b21 text on a black background

contrast 5.35:1

Card sample

#f03b21 text on a white background

contrast 3.92:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #f03b21;
Background color
Panel with #f03b21 background
background-color: #f03b21;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #f03b21;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(240, 59, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(240, 59, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f03b21;
background: linear-gradient(135deg, #f03b21, #F0C521);

Monochromatic scale

Palettes built from #f03b21

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #f03b21 in the Color Lab