Color

#1e5ecc

#1e5ecc
hex#1e5ecc
rgbrgb(30, 94, 204)
hslhsl(218, 74%, 46%)
oklchoklch(0.509 0.183 260.7)
Closest name: Denim (#1560bd)Relative luminance 0.1264

Colors that go with #1e5ecc

Charcoal, Crimson and Amber 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 →

#cc8c1e

#1eb5cc · #361ecc

#cc1e5e · #5ecc1e

Split-complementary

Open in tool →

#cc361e · #b5cc1e

#cc1eb5 · #cc8c1e · #1ecc36

Contrast

#1e5ecc as textRatioAAAA largeAAAFix
Aaon white
5.95:1passpassfail
  • AAA: use #1b54b6 as the text (7.02:1)
Aaon black
3.53:1failpassfail
  • AA: use #3373e1 as the text (4.68:1)
  • AAA: use #6897e8 as the text (7.18:1)
  • AA: or shift the background to #e0e0e0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e5ecc as the background.

Brands using this color

Fonts for this mood

#1e5ecc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e5ecc
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 #1e5ecc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e5ecc-9ca6c4-df644e-201f2d-e9f0f1?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