Color

#001aff

#001aff
hex#001aff
rgbrgb(0, 26, 255)
hslhsl(234, 100%, 50%)
oklchoklch(0.463 0.306 264.2)
Closest name: blue (#0000ff)Relative luminance 0.0796

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffe600

#0099ff · #6600ff

#ff0019 · #1aff00

Split-complementary

Open in tool →

#ff6600 · #99ff00

#ff0099 · #ffe600 · #00ff66

Contrast

#001aff as textRatioAAAA largeAAAFix
Aaon white
8.1:1passpasspassPasses AAA — no fix needed.
Aaon black
2.59:1failfailfail
  • AA: use #5263ff as the text (4.59:1)
  • AAA: use #808cff as the text (7.11:1)
  • AA: or shift the background to #c2c2c2 (4.55:1)
  • AAA: or shift the background to #f0f0f0 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #001aff as the background.

Brands using this color

Fonts for this mood

#001aff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #001aff
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 #001aff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/001aff-9d9cc4-df8a4e-241f2d-e9eef1?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