Color

#2833cc

#2833cc
hex#2833cc
rgbrgb(40, 51, 204)
hslhsl(236, 67%, 48%)
oklchoklch(0.436 0.228 269.4)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0718

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ccc128

#2885cc · #6f28cc

#cc2833 · #33cc28

Split-complementary

Open in tool →

#cc6f28 · #85cc28

#cc2885 · #ccc128 · #28cc6f

Contrast

#2833cc as textRatioAAAA largeAAAFix
Aaon white
8.62:1passpasspassPasses AAA — no fix needed.
Aaon black
2.44:1failfailfail
  • AA: use #616ae0 as the text (4.65:1)
  • AAA: use #888ee7 as the text (7.07:1)
  • AA: or shift the background to #bdbdbd (4.59:1)
  • AAA: or shift the background to #e8e8e8 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2833cc 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

#2833cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2833cc
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 #2833cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2833cc-9e9cc4-df8f4e-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