Color

#130f8a

#130f8a
hex#130f8a
rgbrgb(19, 15, 138)
hslhsl(242, 80%, 30%)
oklchoklch(0.305 0.186 269)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0232

Colors that go with #130f8a

Steel Blue, Charcoal 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 →

#868a0f

#0f488a · #510f8a

#8a130f · #0f8a13

Split-complementary

Open in tool →

#8a510f · #488a0f

#8a0f48 · #868a0f · #0f8a51

Contrast

#130f8a as textRatioAAAA largeAAAFix
Aaon white
14.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.46:1failfailfail
  • AA: use #6863ee as the text (4.61:1)
  • AAA: use #908cf2 as the text (7.22:1)
  • AA: or shift the background to #919191 (4.55:1)
  • AAA: or shift the background to #b5b5b5 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #130f8a as the background.

Brands using this color

Fonts for this mood

#130f8a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #130f8a
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 #130f8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/130f8a-a29cc4-df9e4e-261f2d-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