Color

#030987

#030987
hex#030987
rgbrgb(3, 9, 135)
hslhsl(237, 96%, 27%)
oklchoklch(0.29 0.19 264.9)
Closest name: darkblue (#00008b)Relative luminance 0.0196

Colors that go with #030987

Charcoal, Steel Blue and Cobalt Blue 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 →

#878003

#034b87 · #3e0387

#870309 · #098703

Split-complementary

Open in tool →

#873e03 · #4b8703

#87034b · #878003 · #03873e

Contrast

#030987 as textRatioAAAA largeAAAFix
Aaon white
15.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.39:1failfailfail
  • AA: use #5a62fc as the text (4.59:1)
  • AAA: use #878dfd as the text (7.26:1)
  • AA: or shift the background to #8f8f8f (4.66:1)
  • AAA: or shift the background to #b3b3b3 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030987 as the background.

Brands using this color

Fonts for this mood

#030987 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030987
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 #030987 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030987-9f9cc4-df924e-251f2d-e9edf1?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