Color

#163bd0

#163bd0
hex#163bd0
rgbrgb(22, 59, 208)
hslhsl(228, 81%, 45%)
oklchoklch(0.446 0.229 265.4)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0785

Colors that go with #163bd0

Charcoal, Sea Green and Steel 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 →

#d0ab16

#1698d0 · #4e16d0

#d0163b · #3bd016

Split-complementary

Open in tool →

#d04e16 · #98d016

#d01698 · #d0ab16 · #16d04e

Contrast

#163bd0 as textRatioAAAA largeAAAFix
Aaon white
8.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.57:1failfailfail
  • AA: use #4b6bec as the text (4.61:1)
  • AAA: use #7991f1 as the text (7.13:1)
  • AA: or shift the background to #c2c2c2 (4.59:1)
  • AAA: or shift the background to #f0f0f0 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #163bd0 as the background.

Brands using this color

Fonts for this mood

#163bd0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #163bd0
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 #163bd0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/163bd0-9c9fc4-df7c4e-231f2d-e9eff1?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