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Steel Blue

#3F97CC

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
3F97CC
RGB
63, 151, 204
HSL
203, 58%, 52%
HSB
203, 69%, 80%
CMYK
69, 26, 0, 20
LAB
59, -14, -36
LCH
59, 38, 248
OKLCH
0.65, 0.12, 239
XYZ
24, 28, 61
LUV
59, -33, -53
HWB
203, 25%, 20%
Pantone
311 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.