#12181C

RGB 18, 24, 28

Values

Hex#12181C

RGB18, 24, 28

HSL204°, 22%, 9%

On White17.9:1

On Black1.17:1

#E7E1DF background

#49491D ink

#12181C accent

#535897 support

#B4A7AA neutral

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Use these colors:

Background: #E7E1DF (background)
Ink: #49491D (ink)
Accent: #12181C (accent)
Support: #535897 (support)
Neutral: #B4A7AA (neutral)

Build a design system around this color.