Color

#1663a2

#1663a2
hex#1663a2
rgbrgb(22, 99, 162)
hslhsl(207, 76%, 36%)
oklchoklch(0.489 0.123 248.9)
Closest name: Blue Chip (#1d5699)Relative luminance 0.117

Colors that go with #1663a2

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 →

#a25516

#16a29b · #161da2

#a21663 · #63a216

Split-complementary

Open in tool →

#a2161d · #a29b16

#9b16a2 · #a25516 · #1da216

Contrast

#1663a2 as textRatioAAAA largeAAAFix
Aaon white
6.29:1passpassfail
  • AAA: use #145b94 as the text (7.11:1)
Aaon black
3.34:1failpassfail
  • AA: use #1b79c5 as the text (4.59:1)
  • AAA: use #439ce5 as the text (7.13:1)
  • AA: or shift the background to #dbdbdb (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1663a2 as the background.

Brands using this color

Fonts for this mood

#1663a2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1663a2
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 #1663a2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1663a2-9cadc4-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