#637E97

RGB 99, 126, 151

Values

Hex#637E97

RGB99, 126, 151

HSL209°, 21%, 49%

On White4.23:1

On Black4.96:1

#F0F0EF background

#323518 ink

#637E97 accent

#2E33B2 support

#D3B6BB neutral

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Use these colors:

Background: #F0F0EF (background)
Ink: #323518 (ink)
Accent: #637E97 (accent)
Support: #2E33B2 (support)
Neutral: #D3B6BB (neutral)

Build a design system around this color.