Color

#1e354d

#1e354d
hex#1e354d
rgbrgb(30, 53, 77)
hslhsl(211, 44%, 21%)
oklchoklch(0.322 0.052 250.7)
Closest name: Blue Whale (#1e3442)Relative luminance 0.0336

Colors that go with #1e354d

Dark Olive Green, Sienna and Slate 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 →

#4d361e

#1e4c4d · #1f1e4d

#4d1e35 · #354d1e

Split-complementary

Open in tool →

#4d1f1e · #4c4d1e

#4d1e4c · #4d361e · #1e4d1f

Contrast

#1e354d as textRatioAAAA largeAAAFix
Aaon white
12.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #4579b0 as the text (4.61:1)
  • AAA: use #709ac7 as the text (7.14:1)
  • AA: or shift the background to #9c9c9c (4.58:1)
  • AAA: or shift the background to #c2c2c2 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e354d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1e354d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e354d
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 #1e354d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e354d-9cabc4-df534e-1f202d-e9f1f1?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