Color

#1649ca

#1649ca
hex#1649ca
rgbrgb(22, 73, 202)
hslhsl(223, 80%, 44%)
oklchoklch(0.464 0.207 263.7)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.092

Colors that go with #1649ca

Charcoal, Crimson 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 →

#ca9716

#16a3ca · #3d16ca

#ca1649 · #49ca16

Split-complementary

Open in tool →

#ca3d16 · #a3ca16

#ca16a3 · #ca9716 · #16ca3d

Contrast

#1649ca as textRatioAAAA largeAAAFix
Aaon white
7.39:1passpasspassPasses AAA — no fix needed.
Aaon black
2.84:1failfailfail
  • AA: use #3e6fea as the text (4.67:1)
  • AAA: use #7195ef as the text (7.25:1)
  • AA: or shift the background to #cccccc (4.6:1)
  • AAA: or shift the background to #fafafa (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1649ca as the background.

Brands using this color

Fonts for this mood

#1649ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1649ca
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 #1649ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1649ca-9ca3c4-df704e-211f2d-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