Color

#1e598f

#1e598f
hex#1e598f
rgbrgb(30, 89, 143)
hslhsl(209, 65%, 34%)
oklchoklch(0.454 0.107 249.9)
Closest name: Blue Chip (#1d5699)Relative luminance 0.094

Colors that go with #1e598f

Charcoal, Crimson and Sienna 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 →

#8f551e

#1e8f8d · #1e208f

#8f1e59 · #598f1e

Split-complementary

Open in tool →

#8f1e20 · #8f8d1e

#8d1e8f · #8f551e · #208f1e

Contrast

#1e598f as textRatioAAAA largeAAAFix
Aaon white
7.29:1passpasspassPasses AAA — no fix needed.
Aaon black
2.88:1failfailfail
  • AA: use #2978c2 as the text (4.56:1)
  • AAA: use #579bdb as the text (7.12:1)
  • AA: or shift the background to #cccccc (4.54:1)
  • AAA: or shift the background to #fcfcfc (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e598f as the background.

Brands using this color

Fonts for this mood

#1e598f reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e598f
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 #1e598f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e598f-9cacc4-df4e4e-1f212d-e9f1f1?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