#1E40AF
Color Name
Dark Slate Blue
rgb(30, 64, 175)•hsl(226, 71%, 40%)•Lum 0.07
HEX#1E40AF
RGBrgb(30, 64, 175)
HSLhsl(226, 71%, 40%)
HSVhsv(226, 83%, 69%)
CMYKcmyk(83%, 63%, 0%, 31%)
CSS Variable--color-primary: #1E40AF;
CSS Backgroundbackground-color: #1E40AF;
Color Harmonies
Classic color wheel theory relationships derived from #1E40AF. 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)
#1B399C
11% Dark#173288
22% Dark#142B75
33% Dark#112461
44% Dark#0D1C4E
56% Dark#0A153A
67% Dark#070E27
78% Dark#030713
89% DarkTints (Mixing with White)
#3755B8
11% Light#506AC1
22% Light#6980CA
33% Light#8295D3
44% Light#9BAADB
56% Light#B4BFE4
67% Light#CDD5ED
78% Light#E6EAF6
89% LightKeep Designing
Use #1E40AF Across Other Tools
Jump into our contrast checker to test accessibility, generate a gradient, or build a 5-color palette around this shade.