#638C8A

RGB 99, 140, 138

Values

Hex#638C8A

RGB99, 140, 138

HSL177°, 17%, 47%

On White3.72:1

On Black5.65:1

#F0EFEF background

#3B2821 ink

#638C8A accent

#548DB0 support

#CBBDC6 neutral

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Use these colors:

Background: #F0EFEF (background)
Ink: #3B2821 (ink)
Accent: #638C8A (accent)
Support: #548DB0 (support)
Neutral: #CBBDC6 (neutral)

Build a design system around this color.