Color

#2880fb

#2880fb
hex#2880fb
rgbrgb(40, 128, 251)
hslhsl(215, 96%, 57%)
oklchoklch(0.617 0.201 258.2)
Closest name: Azure (#007fff)Relative luminance 0.2285

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fba328

#28e9fb · #3a28fb

#fb2880 · #80fb28

Split-complementary

Open in tool →

#fb3a28 · #e9fb28

#fb28e9 · #fba328 · #28fb3a

Contrast

#2880fb as textRatioAAAA largeAAAFix
Aaon white
3.77:1failpassfail
  • AA: use #0a6efa as the text (4.54:1)
  • AAA: use #0451be as the text (7.18:1)
  • AA: or shift the background to #1c1c1c (4.52:1)
Aaon black
5.57:1passpassfail
  • AAA: use #5097fb as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2880fb as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2880fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2880fb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2880fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2880fb-9ca8c4-df5d4e-201f2d-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