#288AC3

RGB 40, 138, 195

Values

Hex#288AC3

RGB40, 138, 195

HSL202°, 66%, 46%

On White3.81:1

On Black5.51:1

#F7F5F3 background

#3E3D28 ink

#288AC3 accent

#6364BB support

#C0AAAA neutral

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Use these colors:

Background: #F7F5F3 (background)
Ink: #3E3D28 (ink)
Accent: #288AC3 (accent)
Support: #6364BB (support)
Neutral: #C0AAAA (neutral)

Build a design system around this color.