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Prussian Blue

#223F57

A deep, moderate prussian 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
223F57
RGB
34, 63, 87
HSL
207, 44%, 24%
HSB
207, 61%, 34%
CMYK
61, 28, 0, 66
LAB
25, -5, -18
LCH
25, 19, 254
OKLCH
0.36, 0.05, 245
XYZ
4, 5, 10
LUV
25, -11, -21
HWB
207, 13%, 66%
Pantone
534 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.