Color

#1e72ae

#1e72ae
hex#1e72ae
rgbrgb(30, 114, 174)
hslhsl(205, 71%, 40%)
oklchoklch(0.534 0.121 245.3)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1537

Colors that go with #1e72ae

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 →

#ae5a1e

#1eaea2 · #1e2aae

#ae1e72 · #72ae1e

Split-complementary

Open in tool →

#ae1e2a · #aea21e

#a21eae · #ae5a1e · #2aae1e

Contrast

#1e72ae as textRatioAAAA largeAAAFix
Aaon white
5.16:1passpassfail
  • AAA: use #185b8c as the text (7.21:1)
Aaon black
4.07:1failpassfail
  • AA: use #207bbc as the text (4.62:1)
  • AAA: use #3f9cde as the text (7.02:1)
  • AA: or shift the background to #f0f0f0 (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 #1e72ae as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1e72ae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e72ae
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 #1e72ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e72ae-9cafc4-df4e58-1f212d-e9f1f0?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