analogous
Neighbouring hues that sit side by side on the color wheel for a calm, cohesive feel.
#645C8A — Slate
#645C8A is a mid-tone desaturated blue sitting at 250° on the color wheel. Below you will find every format, a full tint and shade ramp, contrast ratings, and five harmony schemes built around it.
#645c8a
- HEX
- RGB
- HSL
- CMYK
- Closest name
- Color family
- Contrast on white
- Contrast on black
Tints and shades of #645C8A
- f6f6f9
- dcdae6
- c1bed3
- a7a1c1
- 8c85ae
- 71699b
- 5c5580
- 484364
- 343048
- 1f1d2b
- 0b0a0f
Color schemes using #645C8A
complementary
Two opposite hues that create the strongest possible contrast and visual tension.
split complementary
A base hue paired with the two neighbours of its complement — bold but easier to balance.
triadic
Three hues spaced evenly around the wheel for a vibrant, well-balanced scheme.
tetradic
Two complementary pairs, giving you the widest range of usable accents.
monochromatic
A single hue explored across lightness and saturation for a refined, minimal look.
Nearby colors
#645C8A FAQ
What color is #645C8A?
#645C8A is a shade of slate in the blue family. It has a hue of 250 degrees, 20% saturation and 45% lightness, which makes it a mid-tone muted color.
What is the RGB value of #645C8A?
#645C8A is rgb(100, 92, 138) in RGB, hsl(250, 20%, 45%) in HSL, and cmyk(28%, 33%, 0%, 46%) in CMYK.
Can I use white text on #645C8A?
White text on this background reaches 6.11:1, which passes WCAG AA. Black text reaches 3.44:1.
What colors go well with #645C8A?
Its direct complement is #828A5C. For something less stark, the split-complementary pair #8A7A5C and #6B8A5C gives you contrast without the vibration.