#637AAB

RGB 99, 122, 171

Values

Hex#637AAB

RGB99, 122, 171

HSL221°, 30%, 53%

On White4.28:1

On Black4.9:1

#ECEAE4 background

#2F381A ink

#637AAB accent

#73709E support

#BCBAB8 neutral

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Use these colors:

Background: #ECEAE4 (background)
Ink: #2F381A (ink)
Accent: #637AAB (accent)
Support: #73709E (support)
Neutral: #BCBAB8 (neutral)

Build a design system around this color.