Color

#2880eb

#2880eb
hex#2880eb
rgbrgb(40, 128, 235)
hslhsl(213, 83%, 54%)
oklchoklch(0.606 0.181 256)
Closest name: Azure (#007fff)Relative luminance 0.2189

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eb9328

#28e1eb · #3228eb

#eb2880 · #80eb28

Split-complementary

Open in tool →

#eb3228 · #e1eb28

#eb28e1 · #eb9328 · #28eb32

Contrast

#2880eb as textRatioAAAA largeAAAFix
Aaon white
3.91:1failpassfail
  • AA: use #1573e5 as the text (4.55:1)
  • AAA: use #1057ad as the text (7.03:1)
  • AA: or shift the background to #171717 (4.59:1)
Aaon black
5.38:1passpassfail
  • AAA: use #5299ef 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 #2880eb as the background.

Brands using this color

Fonts for this mood

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

mcpConnect your agent — build around #2880eb
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 #2880eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2880eb-9ca9c4-df584e-1f202d-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