Color

#1c267d

#1c267d
hex#1c267d
rgbrgb(28, 38, 125)
hslhsl(234, 63%, 30%)
oklchoklch(0.326 0.145 270.5)
Closest name: Below the Surface (#0a2f7c)Relative luminance 0.0311

Colors that go with #1c267d

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 →

#7d731c

#1c567d · #431c7d

#7d1c26 · #267d1c

Split-complementary

Open in tool →

#7d431c · #567d1c

#7d1c56 · #7d731c · #1c7d43

Contrast

#1c267d as textRatioAAAA largeAAAFix
Aaon white
12.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #616ddb as the text (4.72:1)
  • AAA: use #8690e4 as the text (7.12:1)
  • AA: or shift the background to #999999 (4.54:1)
  • AAA: or shift the background to #bfbfbf (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 #1c267d as the background.

Brands using this color

Fonts for this mood

#1c267d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c267d
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 #1c267d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c267d-9d9cc4-df8a4e-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