analogous
Neighbouring hues that sit side by side on the color wheel for a calm, cohesive feel.
#665BB9 — Slate Blue
#665BB9 is a mid-tone moderately saturated blue sitting at 247° 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.
#665bb9
- HEX
- RGB
- HSL
- CMYK
- Closest name
- Color family
- Contrast on white
- Contrast on black
Tints and shades of #665BB9
- f5f4fa
- d6d3ec
- b8b3de
- 9992d0
- 7a71c2
- 5c50b4
- 4a4095
- 3a3274
- 292454
- 191633
- 090812
Color schemes using #665BB9
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
#665BB9 FAQ
What color is #665BB9?
#665BB9 is a shade of slate blue in the blue family. It has a hue of 247 degrees, 40% saturation and 54% lightness, which makes it a mid-tone muted color.
What is the RGB value of #665BB9?
#665BB9 is rgb(102, 91, 185) in RGB, hsl(247, 40%, 54%) in HSL, and cmyk(45%, 51%, 0%, 27%) in CMYK.
Can I use white text on #665BB9?
White text on this background reaches 5.58:1, which passes WCAG AA. Black text reaches 3.76:1.
What colors go well with #665BB9?
Its direct complement is #AEB95B. For something less stark, the split-complementary pair #B9955B and #7FB95B gives you contrast without the vibration.