Color

#2b63ca

#2b63ca
hex#2b63ca
rgbrgb(43, 99, 202)
hslhsl(219, 65%, 48%)
oklchoklch(0.522 0.171 261.3)
Closest name: God of Rain (#4466cc)Relative luminance 0.137

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ca922b

#2bb2ca · #432bca

#ca2b63 · #63ca2b

Split-complementary

Open in tool →

#ca432b · #b2ca2b

#ca2bb2 · #ca922b · #2bca43

Contrast

#2b63ca as textRatioAAAA largeAAAFix
Aaon white
5.61:1passpassfail
  • AAA: use #2554ad as the text (7.12:1)
Aaon black
3.74:1failpassfail
  • AA: use #3d73d6 as the text (4.62:1)
  • AAA: use #7097e1 as the text (7.2:1)
  • AA: or shift the background to #e8e8e8 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b63ca as the background.

Brands using this color

Fonts for this mood

#2b63ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b63ca
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 #2b63ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b63ca-9ca5c4-df664e-211f2d-e9f0f1?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