Color

#1d225e

#1d225e
hex#1d225e
rgbrgb(29, 34, 94)
hslhsl(235, 53%, 24%)
oklchoklch(0.288 0.106 274.1)
Closest name: Dark Soul (#112255)Relative luminance 0.0221

Colors that go with #1d225e

Charcoal, Dark Olive Green and Sea Green 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 →

#5e581d

#1d435e · #381d5e

#5e1d22 · #225e1d

Split-complementary

Open in tool →

#5e381d · #435e1d

#5e1d43 · #5e581d · #1d5e38

Contrast

#1d225e as textRatioAAAA largeAAAFix
Aaon white
14.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #636ccf as the text (4.58:1)
  • AAA: use #8a91db as the text (7.15:1)
  • AA: or shift the background to #8f8f8f (4.5:1)
  • AAA: or shift the background to #b5b5b5 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d225e 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

#1d225e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d225e
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 #1d225e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d225e-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