Color

#2a45df

#2a45df
hex#2a45df
rgbrgb(42, 69, 223)
hslhsl(231, 74%, 52%)
oklchoklch(0.484 0.233 267.7)
Closest name: C64 Blue (#003aff)Relative luminance 0.1008

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dfc42a

#2aa0df · #692adf

#df2a45 · #45df2a

Split-complementary

Open in tool →

#df692a · #a0df2a

#df2aa0 · #dfc42a · #2adf69

Contrast

#2a45df as textRatioAAAA largeAAAFix
Aaon white
6.96:1passpassfail
  • AAA: use #2641df as the text (7.23:1)
Aaon black
3.02:1failpassfail
  • AA: use #566ce6 as the text (4.68:1)
  • AAA: use #7e8fec as the text (7.03:1)
  • AA: or shift the background to #d1d1d1 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a45df as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#2a45df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a45df
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 #2a45df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a45df-9c9ec4-df834e-231f2d-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