#378B9A

RGB 55, 139, 154

Values

Hex#378B9A

RGB55, 139, 154

HSL189°, 47%, 41%

On White3.95:1

On Black5.32:1

#F9F6F6 background

#393128 ink

#378B9A accent

#2C45BA support

#C596AA neutral

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Use these colors:

Background: #F9F6F6 (background)
Ink: #393128 (ink)
Accent: #378B9A (accent)
Support: #2C45BA (support)
Neutral: #C596AA (neutral)

Build a design system around this color.