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Steel Blue

#559DC5

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
559DC5
RGB
85, 157, 197
HSL
201, 49%, 55%
HSB
201, 57%, 77%
CMYK
57, 20, 0, 23
LAB
61, -15, -28
LCH
61, 32, 243
OKLCH
0.67, 0.09, 235
XYZ
26, 30, 57
LUV
61, -31, -41
HWB
201, 33%, 23%
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.