Bold Blue Gray
A vivid, cool medium blue.
#378FE7
rgb(55, 143, 231)
Color formats
HEX
#378FE7
RGB
rgb(55, 143, 231)
HSL
hsl(210, 78.6%, 56.1%)
HSV
hsv(210, 76.2%, 90.6%)
CMYK
cmyk(76.2%, 38.1%, 0%, 9.4%)
Color shades
Lighter tints and darker shades of Bold Blue Gray.
Lightest
#EDF5FD
Lighter
#92C2F2
Base
#378FE7
Darker
#145CA4
Darkest
#092949
Complementary
The opposite hue on the color wheel.
Analogous
Neighbouring hues that harmonise.
Contrast & readability
Where Bold Blue Gray works
Bold Blue Gray (#378FE7) is a vivid, cool medium blue. Its mid-range lightness makes it a flexible choice for buttons, fills and accents that need to read clearly without overpowering a layout. Its cool undertone lends a calm, trustworthy feel that suits clean, professional interfaces.
Observe the spectrum
More colors related to Bold Blue Gray — or browse all grays.
Color tools
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