Color

#2989ff

#2989ff
hex#2989ff
rgbrgb(41, 137, 255)
hslhsl(213, 100%, 58%)
oklchoklch(0.639 0.196 256.3)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2558

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff9f29

#29f4ff · #3429ff

#ff2989 · #89ff29

Split-complementary

Open in tool →

#ff3429 · #f4ff29

#ff29f4 · #ff9f29 · #29ff34

Contrast

#2989ff as textRatioAAAA largeAAAFix
Aaon white
3.43:1failpassfail
  • AA: use #006ef5 as the text (4.62:1)
  • AAA: use #0053b8 as the text (7.17:1)
  • AA: or shift the background to #242424 (4.52:1)
Aaon black
6.12:1passpassfail
  • AAA: use #4297ff as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2989ff as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2989ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2989ff
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 #2989ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2989ff-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