Color

#1658bb

#1658bb
hex#1658bb
rgbrgb(22, 88, 187)
hslhsl(216, 79%, 41%)
oklchoklch(0.481 0.169 259.3)
Closest name: Denim (#1560bd)Relative luminance 0.1074

Colors that go with #1658bb

Charcoal, Crimson and Amber 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 →

#bb7916

#16abbb · #2616bb

#bb1658 · #58bb16

Split-complementary

Open in tool →

#bb2616 · #abbb16

#bb16ab · #bb7916 · #16bb26

Contrast

#1658bb as textRatioAAAA largeAAAFix
Aaon white
6.67:1passpassfail
  • AAA: use #1554b2 as the text (7.14:1)
Aaon black
3.15:1failpassfail
  • AA: use #2471e5 as the text (4.57:1)
  • AAA: use #5f98ec as the text (7.19:1)
  • AA: or shift the background to #d4d4d4 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1658bb as the background.

Brands using this color

Fonts for this mood

#1658bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1658bb
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 #1658bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1658bb-9ca7c4-df5f4e-201f2d-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