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#ff4b3f

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

RGB
255, 75, 63
HSL
4°, 100%, 62%
CMYK
0, 71, 75, 0
Luminance
0.2665

Every format

HEX#ff4b3f
RGBrgb(255, 75, 63)
HSLhsl(4, 100%, 62%)
CMYKcmyk(0%, 71%, 75%, 0%)
LABlab(58.7 66.9 46.8)
LCHlch(58.7 81.6 34.9)
OKLCHoklch(0.669 0.218 28.3)

Copy-ready code

/* CSS */
color: #ff4b3f;
background-color: #ff4b3f;
/* Tailwind (arbitrary) */
class="text-[#ff4b3f] bg-[#ff4b3f]"
/* SCSS */
$brand: #ff4b3f;
/* SwiftUI */
Color(red: 1.000, green: 0.294, blue: 0.247)
/* Android */
Color.parseColor("#ff4b3f")

Accessibility — WCAG contrast

Aa
#ff4b3f on white: 3.32:1
AA ✗ fail · AA-large · AAA
Aa
#ff4b3f on black: 6.33:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red100.0%
Green29.4%
Blue24.7%

CMYK percentages

Cyan0.0%
Magenta70.6%
Yellow75.3%
Key (black)0.0%

Color previews

#ff4b3f text on a black background

contrast 6.33:1

Card sample

#ff4b3f text on a white background

contrast 3.32:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #ff4b3f;
Background color
Panel with #ff4b3f background
background-color: #ff4b3f;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #ff4b3f;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(255, 75, 63, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 75, 63, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff4b3f;
background: linear-gradient(135deg, #ff4b3f, #FFCB3F);

Monochromatic scale

Palettes built from #ff4b3f

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #ff4b3f in the Color Lab