Color

#2a63ea

#2a63ea
hex#2a63ea
rgbrgb(42, 99, 234)
hslhsl(222, 82%, 54%)
oklchoklch(0.547 0.213 263.6)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1536

Colors that go with #2a63ea

Charcoal, Crimson and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eab02a

#2ac3ea · #502aea

#ea2a63 · #63ea2a

Split-complementary

Open in tool →

#ea502a · #c3ea2a

#ea2ac3 · #eab02a · #2aea50

Contrast

#2a63ea as textRatioAAAA largeAAAFix
Aaon white
5.16:1passpassfail
  • AAA: use #144bcc as the text (7.22:1)
Aaon black
4.07:1failpassfail
  • AA: use #376deb as the text (4.55:1)
  • AAA: use #6a93f0 as the text (7.04:1)
  • AA: or shift the background to #f0f0f0 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a63ea as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2a63ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a63ea
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2a63ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a63ea-9ca3c4-df6e4e-211f2d-e9eff1?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