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Steel Blue

#307BBB

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
307BBB
RGB
48, 123, 187
HSL
208, 59%, 46%
HSB
208, 74%, 73%
CMYK
74, 34, 0, 27
LAB
49, -7, -41
LCH
49, 42, 261
OKLCH
0.57, 0.12, 248
XYZ
17, 18, 50
LUV
49, -27, -60
HWB
208, 19%, 27%
Pantone
316 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.