Color

#2b3dca

#2b3dca
hex#2b3dca
rgbrgb(43, 61, 202)
hslhsl(233, 65%, 48%)
oklchoklch(0.451 0.215 269.2)
Closest name: Denim (#2243b6)Relative luminance 0.0812

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cab72b

#2b8dca · #682bca

#ca2b3d · #3dca2b

Split-complementary

Open in tool →

#ca682b · #8dca2b

#ca2b8d · #cab72b · #2bca68

Contrast

#2b3dca as textRatioAAAA largeAAAFix
Aaon white
8.01:1passpasspassPasses AAA — no fix needed.
Aaon black
2.62:1failfailfail
  • AA: use #5b6adc as the text (4.54:1)
  • AAA: use #8590e5 as the text (7.12:1)
  • AA: or shift the background to #c4c4c4 (4.59:1)
  • AAA: or shift the background to #f0f0f0 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b3dca 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

#2b3dca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b3dca
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 #2b3dca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b3dca-9c9cc4-df884e-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