#378B9A

RGB 55, 139, 154

Values

Hex#378B9A

RGB55, 139, 154

HSL189°, 47%, 41%

On White3.95:1

On Black5.32:1

#E5E2E1 background

#45321C ink

#378B9A accent

#566786 support

#CABFC4 neutral

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Use these colors:

Background: #E5E2E1 (background)
Ink: #45321C (ink)
Accent: #378B9A (accent)
Support: #566786 (support)
Neutral: #CABFC4 (neutral)

Build a design system around this color.