Color

#2a05fa

#2a05fa
hex#2a05fa
rgbrgb(42, 5, 250)
hslhsl(249, 96%, 50%)
oklchoklch(0.457 0.3 269)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.075

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d5fa05

#055bfa · #a405fa

#fa2a05 · #05fa2a

Split-complementary

Open in tool →

#faa405 · #5bfa05

#fa055b · #d5fa05 · #05faa4

Contrast

#2a05fa as textRatioAAAA largeAAAFix
Aaon white
8.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.5:1failfailfail
  • AA: use #725afc as the text (4.58:1)
  • AAA: use #9987fd as the text (7.24:1)
  • AA: or shift the background to #bfbfbf (4.57:1)
  • AAA: or shift the background to #ebebeb (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a05fa as the background.

Brands using this color

Fonts for this mood

#2a05fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a05fa
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 #2a05fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a05fa-a79cc4-dfae4e-271f2d-e9ecf1?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