Color

#263acf

#263acf
hex#263acf
rgbrgb(38, 58, 207)
hslhsl(233, 69%, 48%)
oklchoklch(0.449 0.226 268.2)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0794

Colors that go with #263acf

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 →

#cfbb26

#268ecf · #6726cf

#cf263a · #3acf26

Split-complementary

Open in tool →

#cf6726 · #8ecf26

#cf268e · #cfbb26 · #26cf67

Contrast

#263acf as textRatioAAAA largeAAAFix
Aaon white
8.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.59:1failfailfail
  • AA: use #5b6be1 as the text (4.64:1)
  • AAA: use #8692e9 as the text (7.3:1)
  • AA: or shift the background to #c2c2c2 (4.55:1)
  • AAA: or shift the background to #f0f0f0 (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 #263acf 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

#263acf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263acf
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 #263acf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263acf-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