Color

#1e36cc

#1e36cc
hex#1e36cc
rgbrgb(30, 54, 204)
hslhsl(232, 74%, 46%)
oklchoklch(0.437 0.228 267)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0727

Colors that go with #1e36cc

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 →

#ccb51e

#1e8ccc · #5e1ecc

#cc1e36 · #36cc1e

Split-complementary

Open in tool →

#cc5e1e · #8ccc1e

#cc1e8c · #ccb51e · #1ecc5e

Contrast

#1e36cc as textRatioAAAA largeAAAFix
Aaon white
8.55:1passpasspassPasses AAA — no fix needed.
Aaon black
2.45:1failfailfail
  • AA: use #566ae6 as the text (4.6:1)
  • AAA: use #8391ec as the text (7.23:1)
  • AA: or shift the background to #bdbdbd (4.55:1)
  • AAA: or shift the background to #ebebeb (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 #1e36cc as the background.

Brands using this color

Fonts for this mood

#1e36cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e36cc
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 #1e36cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e36cc-9c9dc4-df864e-231f2d-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