#FF0000
Color Name
Red
rgb(255, 0, 0)•hsl(0, 100%, 50%)•Lum 0.213
HEX#FF0000
RGBrgb(255, 0, 0)
HSLhsl(0, 100%, 50%)
HSVhsv(0, 100%, 100%)
CMYKcmyk(0%, 100%, 100%, 0%)
CSS Variable--color-primary: #FF0000;
CSS Backgroundbackground-color: #FF0000;
Color Harmonies
Classic color wheel theory relationships derived from #FF0000. Click any swatch to explore.
Complementary (180°)
Analogous (-30° / +30°)
Triadic (120° / 240°)
Split Complementary (150° / 210°)
Monochromatic (Lightness & Saturation Progression)
Shades & Tints
Step-by-step luminance variations created by adding black (shades) or white (tints).
Shades (Mixing with Black)
#E30000
11% Dark#C60000
22% Dark#AA0000
33% Dark#8E0000
44% Dark#710000
56% Dark#550000
67% Dark#390000
78% Dark#1C0000
89% DarkTints (Mixing with White)
#FF1C1C
11% Light#FF3939
22% Light#FF5555
33% Light#FF7171
44% Light#FF8E8E
56% Light#FFAAAA
67% Light#FFC6C6
78% Light#FFE3E3
89% LightKeep Designing
Use #FF0000 Across Other Tools
Jump into our contrast checker to test accessibility, generate a gradient, or build a 5-color palette around this shade.