Color

#316c81

#316c81
hex#316c81
rgbrgb(49, 108, 129)
hslhsl(196, 45%, 35%)
oklchoklch(0.501 0.069 224.2)
Closest name: Astral (#376f89)Relative luminance 0.1296

Colors that go with #316c81

Charcoal, Crimson and Sienna 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.

Real palettes that use #316c81

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#814731

#31816f · #314481

#81316c · #6c8131

Split-complementary

Open in tool →

#813144 · #816f31

#6f3181 · #814731 · #448131

Contrast

#316c81 as textRatioAAAA largeAAAFix
Aaon white
5.85:1passpassfail
  • AAA: use #2a5d6f as the text (7.26:1)
Aaon black
3.59:1failpassfail
  • AA: use #3a7f98 as the text (4.67:1)
  • AAA: use #51a0bd as the text (7.11:1)
  • AA: or shift the background to #e3e3e3 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #316c81 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#316c81 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #316c81
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 #316c81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/316c81-9cb5c4-df4e6e-1f232d-e9f1ef?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