Color

#030c26

#030c26
hex#030c26
rgbrgb(3, 12, 38)
hslhsl(225, 85%, 8%)
oklchoklch(0.164 0.056 263.5)
Closest name: Mysterious Depths (#060929)Relative luminance 0.0042

Colors that go with #030c26

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 →

#261d03

#031d26 · #0c0326

#26030c · #0c2603

Split-complementary

Open in tool →

#260c03 · #1d2603

#26031d · #261d03 · #03260c

Contrast

#030c26 as textRatioAAAA largeAAAFix
Aaon white
19.36:1passpasspassPasses AAA — no fix needed.
Aaon black
1.08:1failfailfail
  • AA: use #3e6aef as the text (4.51:1)
  • AAA: use #7192f4 as the text (7.12:1)
  • AA: or shift the background to #7a7a7a (4.51:1)
  • AAA: or shift the background to #9c9c9c (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030c26 as the background.

Brands using this color

Fonts for this mood

#030c26 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030c26
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 #030c26 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030c26-9ca1c4-df754e-221f2d-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