Color

#2b8cee

#2b8cee
hex#2b8cee
rgbrgb(43, 140, 238)
hslhsl(210, 85%, 55%)
oklchoklch(0.635 0.171 252.7)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2544

Colors that go with #2b8cee

Charcoal, Crimson and Amber 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 →

#ee8c2b

#2beeee · #2b2bee

#ee2b8c · #8cee2b

Split-complementary

Open in tool →

#ee2b2b · #eeee2b

#ee2bee · #ee8c2b · #2bee2b

Contrast

#2b8cee as textRatioAAAA largeAAAFix
Aaon white
3.45:1failpassfail
  • AA: use #1275d9 as the text (4.59:1)
  • AAA: use #0d59a5 as the text (7.02:1)
  • AA: or shift the background to #242424 (4.5:1)
Aaon black
6.09:1passpassfail
  • AAA: use #4299f0 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b8cee as the background.

Brands using this color

Fonts for this mood

#2b8cee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b8cee
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 #2b8cee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b8cee-9cabc4-df514e-1f202d-e9f1f1?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