analogous
Neighbouring hues that sit side by side on the color wheel for a calm, cohesive feel.
#183949 — Onyx
#183949 is a dark moderately saturated blue sitting at 200° 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.
#183949
- HEX
- RGB
- HSL
- CMYK
- Closest name
- Color family
- Contrast on white
- Contrast on black
Tints and shades of #183949
- f3f9fb
- d0e5f0
- add2e4
- 89bed9
- 66abcd
- 4297c2
- 347da1
- 29617e
- 1d465a
- 122a37
- 060f13
Color schemes using #183949
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
#183949 FAQ
What color is #183949?
#183949 is a shade of onyx in the blue family. It has a hue of 200 degrees, 51% saturation and 19% lightness, which makes it a dark muted color.
What is the RGB value of #183949?
#183949 is rgb(24, 57, 73) in RGB, hsl(200, 51%, 19%) in HSL, and cmyk(67%, 22%, 0%, 71%) in CMYK.
Can I use white text on #183949?
White text on this background reaches 12.21:1, which passes WCAG AA. Black text reaches 1.72:1.
What colors go well with #183949?
Its direct complement is #492818. For something less stark, the split-complementary pair #491820 and #494118 gives you contrast without the vibration.