Color

#1a2d89

#1a2d89
hex#1a2d89
rgbrgb(26, 45, 137)
hslhsl(230, 68%, 32%)
oklchoklch(0.35 0.154 267.9)
Closest name: Deep Space Royal (#223382)Relative luminance 0.039

Colors that go with #1a2d89

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 →

#89771a

#1a6489 · #3f1a89

#891a2d · #2d891a

Split-complementary

Open in tool →

#893f1a · #64891a

#891a64 · #89771a · #1a893f

Contrast

#1a2d89 as textRatioAAAA largeAAAFix
Aaon white
11.79:1passpasspassPasses AAA — no fix needed.
Aaon black
1.78:1failfailfail
  • AA: use #546bde as the text (4.53:1)
  • AAA: use #7e90e7 as the text (7.03:1)
  • AA: or shift the background to #a1a1a1 (4.56:1)
  • AAA: or shift the background to #c9c9c9 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a2d89 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#1a2d89 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a2d89
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 #1a2d89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a2d89-9c9ec4-df814e-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