analogous
Neighbouring hues that sit side by side on the color wheel for a calm, cohesive feel.
#182C40 — Onyx
#182C40 is a dark moderately saturated blue sitting at 210° 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.
#182c40
- HEX
- RGB
- HSL
- CMYK
- Closest name
- Color family
- Contrast on white
- Contrast on black
Tints and shades of #182C40
- f4f7fb
- d2e0ee
- b0c8e1
- 8eb1d4
- 6c9ac7
- 4a82ba
- 3b6b9b
- 2e5379
- 213c57
- 142435
- 070d12
Color schemes using #182C40
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
#182C40 FAQ
What color is #182C40?
#182C40 is a shade of onyx in the blue family. It has a hue of 210 degrees, 45% saturation and 17% lightness, which makes it a dark muted color.
What is the RGB value of #182C40?
#182C40 is rgb(24, 44, 64) in RGB, hsl(210, 45%, 17%) in HSL, and cmyk(63%, 31%, 0%, 75%) in CMYK.
Can I use white text on #182C40?
White text on this background reaches 14.26:1, which passes WCAG AA. Black text reaches 1.47:1.
What colors go well with #182C40?
Its direct complement is #3F2B18. For something less stark, the split-complementary pair #3F1818 and #3F3F18 gives you contrast without the vibration.