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Steel Blue

#5988BB

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
5988BB
RGB
89, 136, 187
HSL
211, 42%, 54%
HSB
211, 52%, 73%
CMYK
52, 27, 0, 27
LAB
55, -5, -32
LCH
55, 33, 261
OKLCH
0.61, 0.09, 251
XYZ
22, 23, 50
LUV
55, -22, -48
HWB
211, 35%, 27%
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.