Color

#190aeb

#190aeb
hex#190aeb
rgbrgb(25, 10, 235)
hslhsl(244, 92%, 48%)
oklchoklch(0.433 0.288 266.5)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0642

Colors that go with #190aeb

Charcoal, Crimson 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 →

#dceb0a

#0a6beb · #890aeb

#eb190a · #0aeb19

Split-complementary

Open in tool →

#eb890a · #6beb0a

#eb0a6b · #dceb0a · #0aeb89

Contrast

#190aeb as textRatioAAAA largeAAAFix
Aaon white
9.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #685df8 as the text (4.51:1)
  • AAA: use #9189fa as the text (7.16:1)
  • AA: or shift the background to #b8b8b8 (4.63:1)
  • AAA: or shift the background to #e3e3e3 (7.16:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/190aeb-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