Color

#030d26

#030d26
hex#030d26
rgbrgb(3, 13, 38)
hslhsl(223, 85%, 8%)
oklchoklch(0.167 0.055 262.3)
Closest name: Mysterious Depths (#060929)Relative luminance 0.0045

Colors that go with #030d26

Charcoal, Rust and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#261c03

#031e26 · #0b0326

#26030d · #0d2603

Split-complementary

Open in tool →

#260b03 · #1e2603

#26031e · #261c03 · #03260b

Contrast

#030d26 as textRatioAAAA largeAAAFix
Aaon white
19.28:1passpasspassPasses AAA — no fix needed.
Aaon black
1.09:1failfailfail
  • AA: use #396cef as the text (4.57:1)
  • AAA: use #6d93f3 as the text (7.12:1)
  • AA: or shift the background to #7d7d7d (4.68:1)
  • AAA: or shift the background to #9c9c9c (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030d26 as the background.

Brands using this color

Fonts for this mood

#030d26 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030d26
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #030d26 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030d26-9ca3c4-df704e-211f2d-e9eff1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md