Dark Orchestra
#251b19
Near-black gray with muted, wine-brown undertone
About Dark Orchestra
I keep Dark Orchestra in mind when a dark background starts to feel flat or too cold. Next to Diesel, it doesn't look heavier or murkier, it looks more deliberate, like a shadow that's been tinted rather than just dimmed.
It's a rich, dark gray with a slightly cool, smoky undertone and a little extra depth in the midtones. That makes it especially good for log review panels, build and release monitoring, and operations dashboards where you want everything to feel steady under long reads. Compared with Burnt Coffee, it stays clearly gray with no brown slip, so your typography doesn't pick up warmth by accident. And unlike Aubergine, it doesn't carry a burgundy personality, so media thumbnails and UI chrome stay neutral while still feeling the one you reach for when you want dark mode to look "set" instead of just dark.
Quirk: keep contrast decisions a bit more intentional than with near-blacks; thin strokes can blend, so rely on hierarchy and slightly bolder boundaries for dense text screens.
Code snippets
Copy this color into your project.
Contrast checker
WCAG 2.1 contrast ratios. AA requires 4.5:1 for normal text, 3:1 for large. AAA requires 7:1 / 4.5:1.
On White #ffffff
On Gray 100 #f5f5f5
On Gray 900 #18181b
On Black #000000
Variations
Shades
Darker variations, created by mixing toward black.
Tints
Lighter variations, created by mixing toward white.
Tones
Muted variations, created by reducing saturation.
Hues
Hue rotations around the color wheel.
Temperatures
Warm and cool shifts of this color.
Color harmonies
Suggested palettes
Palettes built around this color.
Community palettes
Published palettes that include this color.