Color

#1e55c2

#1e55c2
hex#1e55c2
rgbrgb(30, 85, 194)
hslhsl(220, 73%, 44%)
oklchoklch(0.483 0.18 262)
Closest name: Denim (#1560bd)Relative luminance 0.1067

Colors that go with #1e55c2

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 →

#c28c1e

#1ea7c2 · #3a1ec2

#c21e55 · #55c21e

Split-complementary

Open in tool →

#c23a1e · #a7c21e

#c21ea7 · #c28c1e · #1ec23a

Contrast

#1e55c2 as textRatioAAAA largeAAAFix
Aaon white
6.7:1passpassfail
  • AAA: use #1d51b9 as the text (7.17:1)
Aaon black
3.13:1failpassfail
  • AA: use #3870e0 as the text (4.56:1)
  • AAA: use #6d96e8 as the text (7.18:1)
  • AA: or shift the background to #d4d4d4 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e55c2 as the background.

Brands using this color

Fonts for this mood

#1e55c2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e55c2
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 #1e55c2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e55c2-9ca5c4-df694e-211f2d-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