Color

#1e4271

#1e4271
hex#1e4271
rgbrgb(30, 66, 113)
hslhsl(214, 58%, 28%)
oklchoklch(0.378 0.091 256.1)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0536

Colors that go with #1e4271

Teal, Blue and Cadet 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 →

#714d1e

#1e6b71 · #241e71

#711e42 · #42711e

Split-complementary

Open in tool →

#71241e · #6b711e

#711e6b · #714d1e · #1e7124

Contrast

#1e4271 as textRatioAAAA largeAAAFix
Aaon white
10.13:1passpasspassPasses AAA — no fix needed.
Aaon black
2.07:1failfailfail
  • AA: use #3676c9 as the text (4.59:1)
  • AAA: use #6a99d7 as the text (7.15:1)
  • AA: or shift the background to #adadad (4.51:1)
  • AAA: or shift the background to #d9d9d9 (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 #1e4271 as the background.

Brands using this color

Fonts for this mood

#1e4271 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e4271
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 #1e4271 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e4271-9ca9c4-df5a4e-1f1f2d-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