Color

#1e267b

#1e267b
hex#1e267b
rgbrgb(30, 38, 123)
hslhsl(235, 61%, 30%)
oklchoklch(0.325 0.142 271.5)
Closest name: Below the Surface (#0a2f7c)Relative luminance 0.0309

Colors that go with #1e267b

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 →

#7b731e

#1e547b · #451e7b

#7b1e26 · #267b1e

Split-complementary

Open in tool →

#7b451e · #547b1e

#7b1e54 · #7b731e · #1e7b45

Contrast

#1e267b as textRatioAAAA largeAAAFix
Aaon white
12.98:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #636dd9 as the text (4.72:1)
  • AAA: use #888fe2 as the text (7.07:1)
  • AA: or shift the background to #999999 (4.55:1)
  • AAA: or shift the background to #bfbfbf (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 #1e267b as the background.

Brands using this color

Fonts for this mood

#1e267b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e267b
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 #1e267b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e267b-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