#428F7E

RGB 66, 143, 126

Values

Hex#428F7E

RGB66, 143, 126

HSL167°, 37%, 41%

On White3.84:1

On Black5.46:1

#EFEBEC background

#1E1310 ink

#428F7E accent

#4FA9BF support

#D3BBC9 neutral

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Use these colors:

Background: #EFEBEC (background)
Ink: #1E1310 (ink)
Accent: #428F7E (accent)
Support: #4FA9BF (support)
Neutral: #D3BBC9 (neutral)

Build a design system around this color.