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Steel Blue

#309FD2

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
309FD2
RGB
48, 159, 210
HSL
199, 64%, 51%
HSB
199, 77%, 82%
CMYK
77, 24, 0, 18
LAB
61, -19, -36
LCH
61, 40, 242
OKLCH
0.66, 0.12, 233
XYZ
25, 30, 65
LUV
61, -38, -52
HWB
199, 19%, 18%
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.