Color

#1671bb

#1671bb
hex#1671bb
rgbrgb(22, 113, 187)
hslhsl(207, 79%, 41%)
oklchoklch(0.538 0.14 249.4)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1557

Colors that go with #1671bb

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 →

#bb6016

#16bbb3 · #161ebb

#bb1671 · #71bb16

Split-complementary

Open in tool →

#bb161e · #bbb316

#b316bb · #bb6016 · #1ebb16

Contrast

#1671bb as textRatioAAAA largeAAAFix
Aaon white
5.1:1passpassfail
  • AAA: use #125b97 as the text (7.07:1)
Aaon black
4.11:1failpassfail
  • AA: use #1879c9 as the text (4.62:1)
  • AAA: use #3f9ce9 as the text (7.14:1)
  • AA: or shift the background to #f2f2f2 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1671bb as the background.

Brands using this color

Fonts for this mood

#1671bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1671bb
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 #1671bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1671bb-9cadc4-df4e53-1f212d-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