Steel Blue (ECF1F9) — Shades, Harmonies, Palettes, CSS Code

"Steel Blue"

Blue · Winter

🧠 Psychology

Color of trust and stability. Evokes professionalism, security and serenity.

✨ Uses

Finance, banking, enterprise, software, social networks.

Tip

Steel Blue pairs ideally with #1C1B18 (dark text) and a neutral background for a modern, readable result.

Values

HEX #ECF1F9

RGB rgb(236, 241, 249)

HSL hsl(217°, 52%, 95%)

CMYK C:5% M:3% Y:0% K:2%

Luminance 0.8795

WCAG Accessibility

On white 1.13:1

Aa — #ECF1F9

Secondary text

✗ AA ✗ AAA ✗ AA Large

On black 18.52:1

Aa — #ECF1F9

Secondary text

✓ AA ✓ AAA ✓ AA Large

50 100 200 300 400 500 600 700 800 900 950

All harmonies

Complementary

#ECF1F9 #F9F4EC

Analogous

#ECF7F9 #ECF1F9 #EDECF9

Triadic

#ECF1F9 #F9ECF1 #F1F9EC

Split-comp.

#ECF1F9 #F9EDEC #F7F9EC

Tetradic

#ECF1F9 #F9ECF7 #F9F4EC #ECF9ED

Monochromatic

#5C81BC #A4B9DA #EDF1F8 #FFFFFF #FFFFFF

Suggested palettes for this hue.

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