#638F97

RGB 99, 143, 151

Values

Hex#638F97

RGB99, 143, 151

HSL189°, 21%, 49%

On White3.56:1

On Black5.91:1

#E7E4E4 background

#292419 ink

#638F97 accent

#264697 support

#D7B7BC neutral

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Use these colors:

Background: #E7E4E4 (background)
Ink: #292419 (ink)
Accent: #638F97 (accent)
Support: #264697 (support)
Neutral: #D7B7BC (neutral)

Build a design system around this color.