Color

#1e3443

#1e3443
hex#1e3443
rgbrgb(30, 52, 67)
hslhsl(204, 38%, 19%)
oklchoklch(0.314 0.039 239.5)
Closest name: Blue Whale (#1e3442)Relative luminance 0.0314

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#432d1e

#1e433f · #1e2243

#431e34 · #34431e

Split-complementary

Open in tool →

#431e22 · #433f1e

#3f1e43 · #432d1e · #22431e

Contrast

#1e3443 as textRatioAAAA largeAAAFix
Aaon white
12.9:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #477b9e as the text (4.59:1)
  • AAA: use #6b9cbd as the text (7.12:1)
  • AA: or shift the background to #999999 (4.53:1)
  • AAA: or shift the background to #bfbfbf (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e3443 as the background.

Brands using this color

Fonts for this mood

#1e3443 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e3443
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1e3443 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e3443-9cafc4-df4e5a-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