analogous
Neighbouring hues that sit side by side on the color wheel for a calm, cohesive feel.
#403537 — Onyx
#403537 is a dark desaturated gray sitting at 349° 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.
#403537
- HEX
- RGB
- HSL
- CMYK
- Closest name
- Color family
- Contrast on white
- Contrast on black
Tints and shades of #403537
- f8f7f7
- e3ddde
- cdc4c5
- b8aaad
- a39094
- 8d777b
- 746165
- 5b4c4e
- 413638
- 272122
- 0e0c0c
Color schemes using #403537
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
#403537 FAQ
What color is #403537?
#403537 is a shade of onyx in the gray family. It has a hue of 349 degrees, 9% saturation and 23% lightness, which makes it a dark muted color.
What is the RGB value of #403537?
#403537 is rgb(64, 53, 55) in RGB, hsl(349, 9%, 23%) in HSL, and cmyk(0%, 17%, 14%, 75%) in CMYK.
Can I use white text on #403537?
White text on this background reaches 11.78:1, which passes WCAG AA. Black text reaches 1.78:1.
What colors go well with #403537?
Its direct complement is #35403E. For something less stark, the split-complementary pair #354039 and #353D40 gives you contrast without the vibration.