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Steel Blue

#558BAB

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
558BAB
RGB
85, 139, 171
HSL
202, 34%, 50%
HSB
202, 50%, 67%
CMYK
50, 19, 0, 33
LAB
55, -12, -23
LCH
55, 26, 243
OKLCH
0.61, 0.08, 236
XYZ
20, 23, 42
LUV
55, -24, -32
HWB
202, 33%, 33%
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.