Color

#2959db

#2959db
hex#2959db
rgbrgb(41, 89, 219)
hslhsl(224, 71%, 51%)
oklchoklch(0.515 0.206 264.6)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1273

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dbab29

#29b1db · #5329db

#db2959 · #59db29

Split-complementary

Open in tool →

#db5329 · #b1db29

#db29b1 · #dbab29 · #29db53

Contrast

#2959db as textRatioAAAA largeAAAFix
Aaon white
5.92:1passpassfail
  • AAA: use #214dc4 as the text (7.18:1)
Aaon black
3.55:1failpassfail
  • AA: use #4870e0 as the text (4.67:1)
  • AAA: use #7896e8 as the text (7.33:1)
  • AA: or shift the background to #e3e3e3 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2959db as the background.

Brands using this color

Fonts for this mood

#2959db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2959db
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 #2959db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2959db-9ca2c4-df724e-221f2d-e9eff1?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