Color

#1e286c

#1e286c
hex#1e286c
rgbrgb(30, 40, 108)
hslhsl(232, 57%, 27%)
oklchoklch(0.315 0.118 271.5)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0288

Colors that go with #1e286c

Charcoal, Steel Blue and 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 →

#6c621e

#1e4f6c · #3a1e6c

#6c1e28 · #286c1e

Split-complementary

Open in tool →

#6c3a1e · #4f6c1e

#6c1e4f · #6c621e · #1e6c3a

Contrast

#1e286c as textRatioAAAA largeAAAFix
Aaon white
13.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.58:1failfailfail
  • AA: use #5f6ed3 as the text (4.66:1)
  • AAA: use #8793de as the text (7.26:1)
  • AA: or shift the background to #969696 (4.51:1)
  • AAA: or shift the background to #bdbdbd (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e286c as the background.

Brands using this color

Fonts for this mood

#1e286c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e286c
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 #1e286c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e286c-9c9dc4-df864e-231f2d-e9eef1?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