Color

#2b718c

#2b718c
hex#2b718c
rgbrgb(43, 113, 140)
hslhsl(197, 53%, 36%)
oklchoklch(0.517 0.081 227.2)
Closest name: Astral (#376f89)Relative luminance 0.1422

Colors that go with #2b718c

Charcoal, Crimson and Royal 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 →

#8c472b

#2b8c77 · #2b408c

#8c2b71 · #718c2b

Split-complementary

Open in tool →

#8c2b40 · #8c772b

#772b8c · #8c472b · #408c2b

Contrast

#2b718c as textRatioAAAA largeAAAFix
Aaon white
5.46:1passpassfail
  • AAA: use #245e75 as the text (7.16:1)
Aaon black
3.84:1failpassfail
  • AA: use #307d9c as the text (4.54:1)
  • AAA: use #44a1c5 as the text (7.15:1)
  • AA: or shift the background to #ebebeb (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b718c 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

#2b718c reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b718c
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 #2b718c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b718c-9cb4c4-df4e6b-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