Color

#2b2ef3

#2b2ef3
hex#2b2ef3
rgbrgb(43, 46, 243)
hslhsl(239, 89%, 56%)
oklchoklch(0.475 0.276 268.9)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0894

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f3ef2b

#2b92f3 · #8b2bf3

#f32b2e · #2ef32b

Split-complementary

Open in tool →

#f38b2b · #92f32b

#f32b92 · #f3ef2b · #2bf38b

Contrast

#2b2ef3 as textRatioAAAA largeAAAFix
Aaon white
7.53:1passpasspassPasses AAA — no fix needed.
Aaon black
2.79:1failfailfail
  • AA: use #6062f6 as the text (4.58:1)
  • AAA: use #8b8df8 as the text (7.26:1)
  • AA: or shift the background to #c9c9c9 (4.55:1)
  • AAA: or shift the background to #f7f7f7 (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 #2b2ef3 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

#2b2ef3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b2ef3
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 #2b2ef3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b2ef3-a09cc4-df964e-251f2d-e9edf1?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