#378B9A

RGB 55, 139, 154

Values

Hex#378B9A

RGB55, 139, 154

HSL189°, 47%, 41%

On White3.95:1

On Black5.32:1

#ECEAE9 background

#1A1814 ink

#378B9A accent

#2883DC support

#C898AC neutral

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Use these colors:

Background: #ECEAE9 (background)
Ink: #1A1814 (ink)
Accent: #378B9A (accent)
Support: #2883DC (support)
Neutral: #C898AC (neutral)

Build a design system around this color.