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Cerulean

#51707F

A balanced, muted cerulean — 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

51707F

RGB

81, 112, 127

HSL

200, 22%, 41%

HSB

200, 36%, 50%

CMYK

36, 12, 0, 50

LAB

45, -9, -12

LCH

45, 15, 235

OKLCH

0.53, 0.04, 229

XYZ

13, 15, 22

LUV

45, -15, -16

HWB

200, 32%, 50%

Pantone

Cool Gray 11 C

Harmonies

Analogous

Complementary

Split Complementary

Triadic

Tetradic

Square

Shades & tints

Similar named colors

Browse every named gray on shades of gray, or all families on colors.