Color

#2a33ef

#2a33ef
hex#2a33ef
rgbrgb(42, 51, 239)
hslhsl(237, 86%, 55%)
oklchoklch(0.476 0.268 268.7)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0909

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efe52a

#2a96ef · #822aef

#ef2a33 · #33ef2a

Split-complementary

Open in tool →

#ef822a · #96ef2a

#ef2a96 · #efe52a · #2aef82

Contrast

#2a33ef as textRatioAAAA largeAAAFix
Aaon white
7.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.82:1failfailfail
  • AA: use #5e65f3 as the text (4.63:1)
  • AAA: use #888ef6 as the text (7.25:1)
  • AA: or shift the background to #cccccc (4.64:1)
  • AAA: or shift the background to #fafafa (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a33ef 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

#2a33ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a33ef
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 #2a33ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a33ef-9f9cc4-df924e-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