Color

#2a3ffe

#2a3ffe
hex#2a3ffe
rgbrgb(42, 63, 254)
hslhsl(234, 99%, 58%)
oklchoklch(0.507 0.274 267.7)
Closest name: C64 Blue (#003aff)Relative luminance 0.112

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fee92a

#2aa9fe · #7f2afe

#fe2a3f · #3ffe2a

Split-complementary

Open in tool →

#fe7f2a · #a9fe2a

#fe2aa9 · #fee92a · #2afe7f

Contrast

#2a3ffe as textRatioAAAA largeAAAFix
Aaon white
6.48:1passpassfail
  • AAA: use #1b31fe as the text (7.2:1)
Aaon black
3.24:1failpassfail
  • AA: use #5264fe as the text (4.61:1)
  • AAA: use #808dfe as the text (7.16:1)
  • AA: or shift the background to #d9d9d9 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a3ffe 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

#2a3ffe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a3ffe
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 #2a3ffe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a3ffe-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