Color

#2a33cf

#2a33cf
hex#2a33cf
rgbrgb(42, 51, 207)
hslhsl(237, 66%, 49%)
oklchoklch(0.441 0.231 269.7)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0736

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cfc72a

#2a85cf · #752acf

#cf2a33 · #33cf2a

Split-complementary

Open in tool →

#cf752a · #85cf2a

#cf2a85 · #cfc72a · #2acf75

Contrast

#2a33cf as textRatioAAAA largeAAAFix
Aaon white
8.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2.47:1failfailfail
  • AA: use #6269df as the text (4.61:1)
  • AAA: use #888de7 as the text (7.01:1)
  • AA: or shift the background to #bdbdbd (4.52:1)
  • AAA: or shift the background to #ebebeb (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a33cf 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

#2a33cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a33cf
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 #2a33cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a33cf-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