Color

#2b8bbf

#2b8bbf
hex#2b8bbf
rgbrgb(43, 139, 191)
hslhsl(201, 63%, 46%)
oklchoklch(0.606 0.117 237.5)
Closest name: steelblue (#4682b4)Relative luminance 0.2274

Colors that go with #2b8bbf

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 →

#bf5f2b

#2bbfa9 · #2b42bf

#bf2b8b · #8bbf2b

Split-complementary

Open in tool →

#bf2b42 · #bfa92b

#a92bbf · #bf5f2b · #42bf2b

Contrast

#2b8bbf as textRatioAAAA largeAAAFix
Aaon white
3.79:1failpassfail
  • AA: use #277caa as the text (4.62:1)
  • AAA: use #1d5e81 as the text (7.07:1)
  • AA: or shift the background to #1c1c1c (4.5:1)
Aaon black
5.55:1passpassfail
  • AAA: use #3c9ed3 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b8bbf as the background.

Brands using this color

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

Fonts for this mood

#2b8bbf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b8bbf
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 #2b8bbf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b8bbf-9cb1c4-df4e62-1f222d-e9f1f0?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