Color

#130d91

#130d91
hex#130d91
rgbrgb(19, 13, 145)
hslhsl(243, 84%, 31%)
oklchoklch(0.313 0.195 268.6)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0247

Colors that go with #130d91

Steel Blue, Charcoal and Crimson 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 →

#8b910d

#0d4891 · #560d91

#91130d · #0d9113

Split-complementary

Open in tool →

#91560d · #48910d

#910d48 · #8b910d · #0d9156

Contrast

#130d91 as textRatioAAAA largeAAAFix
Aaon white
14.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #6b64f2 as the text (4.73:1)
  • AAA: use #8f8af5 as the text (7.12:1)
  • AA: or shift the background to #949494 (4.63:1)
  • AAA: or shift the background to #b8b8b8 (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 #130d91 as the background.

Brands using this color

Fonts for this mood

#130d91 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #130d91
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 #130d91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/130d91-a39cc4-dfa04e-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