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Steel Blue

#648BB0

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
648BB0
RGB
100, 139, 176
HSL
209, 32%, 54%
HSB
209, 43%, 69%
CMYK
43, 21, 0, 31
LAB
56, -6, -24
LCH
56, 25, 255
OKLCH
0.62, 0.07, 248
XYZ
22, 24, 45
LUV
56, -19, -35
HWB
209, 39%, 31%
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.