analogous
Neighbouring hues that sit side by side on the color wheel for a calm, cohesive feel.
#040D21 — Obsidian
#040D21 is a dark saturated black sitting at 221° 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.
#040d21
- HEX
- RGB
- HSL
- CMYK
- Closest name
- Color family
- Contrast on white
- Contrast on black
Tints and shades of #040D21
- f1f5fd
- c8d7f8
- 9eb9f3
- 749bee
- 4a7ce9
- 215ee4
- 174cbe
- 123b94
- 0d2b6a
- 081a40
- 030917
Color schemes using #040D21
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
#040D21 FAQ
What color is #040D21?
#040D21 is a shade of obsidian in the black family. It has a hue of 221 degrees, 78% saturation and 7% lightness, which makes it a dark saturated color.
What is the RGB value of #040D21?
#040D21 is rgb(4, 13, 33) in RGB, hsl(221, 78%, 7%) in HSL, and cmyk(88%, 61%, 0%, 87%) in CMYK.
Can I use white text on #040D21?
White text on this background reaches 19.36:1, which passes WCAG AA. Black text reaches 1.08:1.
What colors go well with #040D21?
Its direct complement is #201704. For something less stark, the split-complementary pair #200904 and #1B2004 gives you contrast without the vibration.