#637A8C

RGB 99, 122, 140

Values

Hex#637A8C

RGB99, 122, 140

HSL206°, 17%, 47%

On White4.47:1

On Black4.69:1

#F3F2F1 background

#37351B ink

#637A8C accent

#59578E support

#C8BCBC neutral

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Use these colors:

Background: #F3F2F1 (background)
Ink: #37351B (ink)
Accent: #637A8C (accent)
Support: #59578E (support)
Neutral: #C8BCBC (neutral)

Build a design system around this color.