Color

#2a43ea

#2a43ea
hex#2a43ea
rgbrgb(42, 67, 234)
hslhsl(232, 82%, 54%)
oklchoklch(0.492 0.248 267.8)
Closest name: C64 Blue (#003aff)Relative luminance 0.1045

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ead02a

#2aa3ea · #702aea

#ea2a43 · #43ea2a

Split-complementary

Open in tool →

#ea702a · #a3ea2a

#ea2aa3 · #ead02a · #2aea70

Contrast

#2a43ea as textRatioAAAA largeAAAFix
Aaon white
6.8:1passpassfail
  • AAA: use #253fe9 as the text (7.08:1)
Aaon black
3.09:1failpassfail
  • AA: use #5368ee as the text (4.58:1)
  • AAA: use #8291f3 as the text (7.29:1)
  • AA: or shift the background to #d4d4d4 (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 #2a43ea 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

#2a43ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a43ea
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 #2a43ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a43ea-9c9dc4-df864e-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