Color

#2118cd

#2118cd
hex#2118cd
rgbrgb(33, 24, 205)
hslhsl(243, 79%, 45%)
oklchoklch(0.405 0.251 268.9)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0538

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c4cd18

#186acd · #7c18cd

#cd2118 · #18cd21

Split-complementary

Open in tool →

#cd7c18 · #6acd18

#cd186a · #c4cd18 · #18cd7c

Contrast

#2118cd as textRatioAAAA largeAAAFix
Aaon white
10.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.08:1failfailfail
  • AA: use #6b64ed as the text (4.67:1)
  • AAA: use #928df2 as the text (7.31:1)
  • AA: or shift the background to #adadad (4.51:1)
  • AAA: or shift the background to #d9d9d9 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2118cd 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

#2118cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2118cd
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 #2118cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2118cd-a39cc4-dfa04e-261f2d-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