#21313B

RGB 33, 49, 59

Values

Hex#21313B

RGB33, 49, 59

HSL203°, 28%, 18%

On White13.4:1

On Black1.57:1

#E7E5E4 background

#262711 ink

#21313B accent

#515D81 support

#CDC6C7 neutral

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Use these colors:

Background: #E7E5E4 (background)
Ink: #262711 (ink)
Accent: #21313B (accent)
Support: #515D81 (support)
Neutral: #CDC6C7 (neutral)

Build a design system around this color.