Back to all colors

Steel Blue

#588FC0

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
588FC0
RGB
88, 143, 192
HSL
208, 45%, 55%
HSB
208, 54%, 75%
CMYK
54, 26, 0, 25
LAB
57, -8, -32
LCH
57, 33, 256
OKLCH
0.63, 0.09, 247
XYZ
23, 26, 54
LUV
57, -25, -47
HWB
208, 35%, 25%
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.