Color

#1e7ca4

#1e7ca4
hex#1e7ca4
rgbrgb(30, 124, 164)
hslhsl(198, 69%, 38%)
oklchoklch(0.553 0.103 232.1)
Closest name: Bleu Ciel (#007ba1)Relative luminance 0.1737

Colors that go with #1e7ca4

Charcoal, Crimson and Royal 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 →

#a4461e

#1ea489 · #1e39a4

#a41e7c · #7ca41e

Split-complementary

Open in tool →

#a41e39 · #a4891e

#891ea4 · #a4461e · #39a41e

Contrast

#1e7ca4 as textRatioAAAA largeAAAFix
Aaon white
4.69:1passpassfail
  • AAA: use #175e7d as the text (7.16:1)
Aaon black
4.47:1failpassfail
  • AA: use #1f7fa8 as the text (4.66:1)
  • AAA: use #28a3d7 as the text (7.31:1)
  • AA: or shift the background to #fcfcfc (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e7ca4 as the background.

Brands using this color

Fonts for this mood

#1e7ca4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e7ca4
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 #1e7ca4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e7ca4-9cb3c4-df4e69-1f232d-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