Color

#1a477f

#1a477f
hex#1a477f
rgbrgb(26, 71, 127)
hslhsl(213, 66%, 30%)
oklchoklch(0.399 0.106 255.7)
Closest name: Blue Funk (#2d4470)Relative luminance 0.0626

Colors that go with #1a477f

Crimson, Blue and Denim 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 →

#7f521a

#1a7a7f · #1f1a7f

#7f1a47 · #477f1a

Split-complementary

Open in tool →

#7f1f1a · #7a7f1a

#7f1a7a · #7f521a · #1a7f1f

Contrast

#1a477f as textRatioAAAA largeAAAFix
Aaon white
9.33:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #2a75cf as the text (4.54:1)
  • AAA: use #5e98de as the text (7.02:1)
  • AA: or shift the background to #b5b5b5 (4.55:1)
  • AAA: or shift the background to #e0e0e0 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a477f 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

#1a477f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a477f
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 #1a477f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a477f-9ca9c4-df584e-1f202d-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