Color

#242fa8

#242fa8
hex#242fa8
rgbrgb(36, 47, 168)
hslhsl(235, 65%, 40%)
oklchoklch(0.39 0.19 270.1)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0524

Colors that go with #242fa8

Charcoal, Steel Blue and 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 →

#a89d24

#2471a8 · #5b24a8

#a8242f · #2fa824

Split-complementary

Open in tool →

#a85b24 · #71a824

#a82471 · #a89d24 · #24a85b

Contrast

#242fa8 as textRatioAAAA largeAAAFix
Aaon white
10.26:1passpasspassPasses AAA — no fix needed.
Aaon black
2.05:1failfailfail
  • AA: use #5f6add as the text (4.59:1)
  • AAA: use #8991e6 as the text (7.26:1)
  • AA: or shift the background to #adadad (4.57:1)
  • AAA: or shift the background to #d6d6d6 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #242fa8 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

#242fa8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #242fa8
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 #242fa8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/242fa8-9e9cc4-df8d4e-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