Color

#2438cc

#2438cc
hex#2438cc
rgbrgb(36, 56, 204)
hslhsl(233, 70%, 47%)
oklchoklch(0.442 0.225 268.1)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0756

Colors that go with #2438cc

Charcoal, Sea Green and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ccb824

#248bcc · #6424cc

#cc2438 · #38cc24

Split-complementary

Open in tool →

#cc6424 · #8bcc24

#cc248b · #ccb824 · #24cc64

Contrast

#2438cc as textRatioAAAA largeAAAFix
Aaon white
8.36:1passpasspassPasses AAA — no fix needed.
Aaon black
2.51:1failfailfail
  • AA: use #5a6ae2 as the text (4.59:1)
  • AAA: use #8691ea as the text (7.25:1)
  • AA: or shift the background to #bfbfbf (4.55:1)
  • AAA: or shift the background to #ebebeb (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2438cc as the background.

Brands using this color

Fonts for this mood

#2438cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2438cc
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2438cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2438cc-9c9cc4-df884e-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