#637F9C

RGB 99, 127, 156

Values

Hex#637F9C

RGB99, 127, 156

HSL211°, 22%, 50%

On White4.16:1

On Black5.05:1

#E5E3E0 background

#272516 ink

#637F9C accent

#332BA6 support

#C9ACAB neutral

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Use these colors:

Background: #E5E3E0 (background)
Ink: #272516 (ink)
Accent: #637F9C (accent)
Support: #332BA6 (support)
Neutral: #C9ACAB (neutral)

Build a design system around this color.