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Cobalt

#00439B

A balanced, vivid cobalt — 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
00439B
RGB
0, 67, 155
HSL
214, 100%, 30%
HSB
214, 100%, 61%
CMYK
100, 57, 0, 39
LAB
29, 11, -54
LCH
29, 55, 282
OKLCH
0.41, 0.16, 259
XYZ
8, 6, 32
LUV
29, -15, -69
HWB
214, 0%, 39%
Pantone
541 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.