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Steel Blue

#3387CC

A balanced, moderate steel blue — sophisticated balance of hue and saturation that conveys composure and subtle refinement, well-suited to modern, minimalist design.

Psychology

Blue is the world's most-preferred color across age, gender, and culture. It lowers heart rate, conveys stability and trust, and reads as professional almost regardless of context.

Meaning

Trust, authority, and depth — which is why it anchors finance, healthcare, government, and big-tech logos. Lighter blues feel airy and aspirational; navy and midnight feel established.

Applications

Foundational for SaaS, fintech, and enterprise interfaces. Mix with warm accents to avoid the corporate-blue trap of looking like every competitor.

Conversion

HEX
3387CC
RGB
51, 135, 204
HSL
207, 60%, 50%
HSB
207, 75%, 80%
CMYK
75, 34, 0, 20
LAB
54, -8, -44
LCH
54, 44, 260
OKLCH
0.61, 0.13, 247
XYZ
21, 22, 60
LUV
54, -30, -65
HWB
207, 20%, 20%
Pantone
Cool Gray 8 C

Harmonies

Analogous
Complementary
Split Complementary
Triadic
Tetradic
Square

Shades & tints

Similar named colors

Browse every named blue on shades of blue, or all families on colors.