Color

#1316cd

#1316cd
hex#1316cd
rgbrgb(19, 22, 205)
hslhsl(239, 83%, 44%)
oklchoklch(0.399 0.255 266.3)
Closest name: mediumblue (#0000cd)Relative luminance 0.0512

Colors that go with #1316cd

Charcoal, Cornflower Blue and Crimson 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 →

#cdca13

#1373cd · #6d13cd

#cd1316 · #16cd13

Split-complementary

Open in tool →

#cd6d13 · #73cd13

#cd1373 · #cdca13 · #13cd6d

Contrast

#1316cd as textRatioAAAA largeAAAFix
Aaon white
10.38:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #6063f0 as the text (4.54:1)
  • AAA: use #8a8cf4 as the text (7.14:1)
  • AA: or shift the background to #ababab (4.52:1)
  • AAA: or shift the background to #d6d6d6 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1316cd as the background.

Brands using this color

Fonts for this mood

#1316cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1316cd
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 #1316cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1316cd-a09cc4-df964e-251f2d-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