Color

#1927eb

#1927eb
hex#1927eb
rgbrgb(25, 39, 235)
hslhsl(236, 84%, 51%)
oklchoklch(0.453 0.276 266.4)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0766

Colors that go with #1927eb

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 →

#ebdd19

#1990eb · #7419eb

#eb1927 · #27eb19

Split-complementary

Open in tool →

#eb7419 · #90eb19

#eb1990 · #ebdd19 · #19eb74

Contrast

#1927eb as textRatioAAAA largeAAAFix
Aaon white
8.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.53:1failfailfail
  • AA: use #5b65f1 as the text (4.58:1)
  • AAA: use #858cf4 as the text (7.05:1)
  • AA: or shift the background to #bfbfbf (4.51:1)
  • AAA: or shift the background to #ededed (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 #1927eb as the background.

Brands using this color

Fonts for this mood

#1927eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1927eb
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 #1927eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1927eb-9e9cc4-df8f4e-241f2d-e9eef1?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