Color

#190fa9

#190fa9
hex#190fa9
rgbrgb(25, 15, 169)
hslhsl(244, 84%, 36%)
oklchoklch(0.349 0.219 268.9)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.0341

Colors that go with #190fa9

Crimson, Blue and Charcoal 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 →

#9fa90f

#0f52a9 · #660fa9

#a9190f · #0fa919

Split-complementary

Open in tool →

#a9660f · #52a90f

#a90f52 · #9fa90f · #0fa966

Contrast

#190fa9 as textRatioAAAA largeAAAFix
Aaon white
12.48:1passpasspassPasses AAA — no fix needed.
Aaon black
1.68:1failfailfail
  • AA: use #695ff1 as the text (4.51:1)
  • AAA: use #918af5 as the text (7.16:1)
  • AA: or shift the background to #9c9c9c (4.55:1)
  • AAA: or shift the background to #c2c2c2 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #190fa9 as the background.

Brands using this color

Fonts for this mood

#190fa9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #190fa9
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 #190fa9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/190fa9-a39cc4-dfa24e-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