Color

#2a3aef

#2a3aef
hex#2a3aef
rgbrgb(42, 58, 239)
hslhsl(235, 86%, 55%)
oklchoklch(0.484 0.262 268.3)
Closest name: C64 Blue (#003aff)Relative luminance 0.0975

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efde2a

#2a9def · #7c2aef

#ef2a3a · #3aef2a

Split-complementary

Open in tool →

#ef7c2a · #9def2a

#ef2a9d · #efde2a · #2aef7c

Contrast

#2a3aef as textRatioAAAA largeAAAFix
Aaon white
7.12:1passpasspassPasses AAA — no fix needed.
Aaon black
2.95:1failfailfail
  • AA: use #5966f3 as the text (4.62:1)
  • AAA: use #848df6 as the text (7.12:1)
  • AA: or shift the background to #cfcfcf (4.57:1)
  • AAA: or shift the background to #ffffff (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a3aef 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

#2a3aef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a3aef
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 #2a3aef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a3aef-9e9cc4-df8d4e-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