Color

#316cd8

#316cd8
hex#316cd8
rgbrgb(49, 108, 216)
hslhsl(219, 68%, 52%)
oklchoklch(0.553 0.177 261.2)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1634

Colors that go with #316cd8

Charcoal, Amber and 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 →

#d89e31

#31bfd8 · #4a31d8

#d8316c · #6cd831

Split-complementary

Open in tool →

#d84a31 · #bfd831

#d831bf · #d89e31 · #31d84a

Contrast

#316cd8 as textRatioAAAA largeAAAFix
Aaon white
4.92:1passpassfail
  • AAA: use #2153b0 as the text (7.17:1)
Aaon black
4.27:1failpassfail
  • AA: use #3a72d9 as the text (4.59:1)
  • AAA: use #6d97e3 as the text (7.19:1)
  • AA: or shift the background to #f5f5f5 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #316cd8 as the background.

Brands using this color

Fonts for this mood

#316cd8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #316cd8
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 #316cd8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/316cd8-9ca5c4-df664e-211f2d-e9f0f1?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