Color

#1a29ff

#1a29ff
hex#1a29ff
rgbrgb(26, 41, 255)
hslhsl(236, 100%, 55%)
oklchoklch(0.479 0.295 266.2)
Closest name: C64 Blue (#003aff)Relative luminance 0.0903

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fff01a

#1a9cff · #7d1aff

#ff1a29 · #29ff1a

Split-complementary

Open in tool →

#ff7d1a · #9cff1a

#ff1a9c · #fff01a · #1aff7d

Contrast

#1a29ff as textRatioAAAA largeAAAFix
Aaon white
7.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2.81:1failfailfail
  • AA: use #5762ff as the text (4.6:1)
  • AAA: use #858dff as the text (7.25:1)
  • AA: or shift the background to #c9c9c9 (4.52:1)
  • AAA: or shift the background to #fafafa (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a29ff as the background.

Brands using this color

Fonts for this mood

#1a29ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a29ff
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 #1a29ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a29ff-9e9cc4-df8f4e-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