#638A8C

RGB 99, 138, 140

Values

Hex#638A8C

RGB99, 138, 140

HSL183°, 17%, 47%

On White3.79:1

On Black5.54:1

#EEECEC background

#211812 ink

#638A8C accent

#6886B6 support

#C3ACB9 neutral

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Use these colors:

Background: #EEECEC (background)
Ink: #211812 (ink)
Accent: #638A8C (accent)
Support: #6886B6 (support)
Neutral: #C3ACB9 (neutral)

Build a design system around this color.