Color

#1613cd

#1613cd
hex#1613cd
rgbrgb(22, 19, 205)
hslhsl(241, 83%, 44%)
oklchoklch(0.398 0.256 266.8)
Closest name: mediumblue (#0000cd)Relative luminance 0.0504

Colors that go with #1613cd

Charcoal, Crimson and Cornflower 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 →

#cacd13

#136dcd · #7313cd

#cd1613 · #13cd16

Split-complementary

Open in tool →

#cd7313 · #6dcd13

#cd136d · #cacd13 · #13cd73

Contrast

#1613cd as textRatioAAAA largeAAAFix
Aaon white
10.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #6765f1 as the text (4.71:1)
  • AAA: use #8c8af4 as the text (7.06:1)
  • AA: or shift the background to #ababab (4.55:1)
  • AAA: or shift the background to #d4d4d4 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1613cd as the background.

Brands using this color

Fonts for this mood

#1613cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1613cd
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 #1613cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1613cd-a19cc4-df9b4e-261f2d-e9edf1?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