Color

#263997

#263997
hex#263997
rgbrgb(38, 57, 151)
hslhsl(230, 60%, 37%)
oklchoklch(0.392 0.155 269.1)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0557

Colors that go with #263997

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 →

#978426

#267197 · #4b2697

#972639 · #399726

Split-complementary

Open in tool →

#974b26 · #719726

#972671 · #978426 · #26974b

Contrast

#263997 as textRatioAAAA largeAAAFix
Aaon white
9.93:1passpasspassPasses AAA — no fix needed.
Aaon black
2.11:1failfailfail
  • AA: use #586dd5 as the text (4.56:1)
  • AAA: use #8594e0 as the text (7.31:1)
  • AA: or shift the background to #b0b0b0 (4.58:1)
  • AAA: or shift the background to #d9d9d9 (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 #263997 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

#263997 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263997
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 #263997 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263997-9c9ec4-df814e-231f2d-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