Color

#090dfb

#090dfb
hex#090dfb
rgbrgb(9, 13, 251)
hslhsl(239, 97%, 51%)
oklchoklch(0.452 0.306 264.7)
Closest name: blue (#0000ff)Relative luminance 0.0731

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbf709

#0986fb · #7e09fb

#fb090d · #0dfb09

Split-complementary

Open in tool →

#fb7e09 · #86fb09

#fb0986 · #fbf709 · #09fb7e

Contrast

#090dfb as textRatioAAAA largeAAAFix
Aaon white
8.53:1passpasspassPasses AAA — no fix needed.
Aaon black
2.46:1failfailfail
  • AA: use #5e61fd as the text (4.6:1)
  • AAA: use #8b8dfd as the text (7.33:1)
  • AA: or shift the background to #bdbdbd (4.54:1)
  • AAA: or shift the background to #ebebeb (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #090dfb as the background.

Brands using this color

Fonts for this mood

#090dfb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #090dfb
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 #090dfb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/090dfb-a09cc4-df964e-251f2d-e9edf1?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