analogous
Neighbouring hues that sit side by side on the color wheel for a calm, cohesive feel.
#1B1BBB — Cobalt
#1B1BBB is a mid-tone saturated blue sitting at 240° 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.
#1b1bbb
- HEX
- RGB
- HSL
- CMYK
- Closest name
- Color family
- Contrast on white
- Contrast on black
Tints and shades of #1B1BBB
- f2f2fd
- c9c9f7
- a0a0f1
- 7676eb
- 4d4de6
- 2424e0
- 1b1bbb
- 151591
- 0f0f68
- 09093f
- 030316
Color schemes using #1B1BBB
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
#1B1BBB FAQ
What color is #1B1BBB?
#1B1BBB is a shade of cobalt in the blue family. It has a hue of 240 degrees, 75% saturation and 42% lightness, which makes it a mid-tone saturated color.
What is the RGB value of #1B1BBB?
#1B1BBB is rgb(27, 27, 187) in RGB, hsl(240, 75%, 42%) in HSL, and cmyk(86%, 86%, 0%, 27%) in CMYK.
Can I use white text on #1B1BBB?
White text on this background reaches 10.93:1, which passes WCAG AA. Black text reaches 1.92:1.
What colors go well with #1B1BBB?
Its direct complement is #BBBB1B. For something less stark, the split-complementary pair #BB6B1B and #6BBB1B gives you contrast without the vibration.