Color

#1e41cc

#1e41cc
hex#1e41cc
rgbrgb(30, 65, 204)
hslhsl(228, 74%, 46%)
oklchoklch(0.454 0.217 266)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0842

Colors that go with #1e41cc

Charcoal, Sea Green and Steel 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 →

#cca91e

#1e98cc · #531ecc

#cc1e41 · #41cc1e

Split-complementary

Open in tool →

#cc531e · #98cc1e

#cc1e98 · #cca91e · #1ecc53

Contrast

#1e41cc as textRatioAAAA largeAAAFix
Aaon white
7.83:1passpasspassPasses AAA — no fix needed.
Aaon black
2.68:1failfailfail
  • AA: use #4e6ce4 as the text (4.59:1)
  • AAA: use #7a91eb as the text (7.08:1)
  • AA: or shift the background to #c7c7c7 (4.63:1)
  • AAA: or shift the background to #f5f5f5 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e41cc as the background.

Brands using this color

Fonts for this mood

#1e41cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e41cc
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 #1e41cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e41cc-9c9fc4-df7c4e-231f2d-e9eff1?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