Color

#030b25

#030b25
hex#030b25
rgbrgb(3, 11, 37)
hslhsl(226, 85%, 8%)
oklchoklch(0.16 0.056 264.3)
Closest name: Mysterious Depths (#060929)Relative luminance 0.0039

Colors that go with #030b25

Charcoal, Dark Olive Green 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 →

#261e03

#031c26 · #0c0326

#26030b · #0b2603

Split-complementary

Open in tool →

#260c03 · #1c2603

#26031c · #261e03 · #03260c

Contrast

#030b25 as textRatioAAAA largeAAAFix
Aaon white
19.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.08:1failfailfail
  • AA: use #426bf0 as the text (4.59:1)
  • AAA: use #7694f4 as the text (7.31:1)
  • AA: or shift the background to #7a7a7a (4.54:1)
  • AAA: or shift the background to #9c9c9c (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030b25 as the background.

Brands using this color

Fonts for this mood

#030b25 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030b25
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 #030b25 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030b25-9ca1c4-df774e-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