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Slate Blue

#57677F

A balanced, muted slate 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

57677F

RGB

87, 103, 127

HSL

216, 19%, 42%

HSB

216, 31%, 50%

CMYK

31, 19, 0, 50

LAB

43, -2, -16

LCH

43, 16, 264

OKLCH

0.51, 0.04, 258

XYZ

13, 13, 22

LUV

43, -9, -21

HWB

216, 34%, 50%

Pantone

Cool Gray 11 C

Harmonies

Analogous

Complementary

Split Complementary

Triadic

Tetradic

Square

Shades & tints

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