Color

#1d475e

#1d475e
hex#1d475e
rgbrgb(29, 71, 94)
hslhsl(201, 53%, 24%)
oklchoklch(0.379 0.061 235.5)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0558

Colors that go with #1d475e

Royal Blue, Teal and Sienna 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 →

#5e331d

#1d5e54 · #1d265e

#5e1d47 · #475e1d

Split-complementary

Open in tool →

#5e1d26 · #5e541d

#541d5e · #5e331d · #265e1d

Contrast

#1d475e as textRatioAAAA largeAAAFix
Aaon white
9.93:1passpasspassPasses AAA — no fix needed.
Aaon black
2.12:1failfailfail
  • AA: use #327ca4 as the text (4.55:1)
  • AAA: use #4f9ec9 as the text (7.07:1)
  • AA: or shift the background to #b0b0b0 (4.58:1)
  • AAA: or shift the background to #d9d9d9 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d475e as the background.

Brands using this color

Fonts for this mood

#1d475e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d475e
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 #1d475e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d475e-9cb1c4-df4e62-1f222d-e9f1f0?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