Color

#1a3542

#1a3542
hex#1a3542
rgbrgb(26, 53, 66)
hslhsl(200, 43%, 18%)
oklchoklch(0.314 0.04 230.8)
Closest name: Blue Whale (#1e3442)Relative luminance 0.0316

Tints & shades

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

Harmonies

Complementary

Open in tool →

#42271a

#1a423b · #1a2142

#421a34 · #34421a

Split-complementary

Open in tool →

#421a21 · #423b1a

#3b1a42 · #42271a · #21421a

Contrast

#1a3542 as textRatioAAAA largeAAAFix
Aaon white
12.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #3f7d9d as the text (4.63:1)
  • AAA: use #5b9dbe as the text (7.01:1)
  • AA: or shift the background to #999999 (4.52:1)
  • AAA: or shift the background to #c2c2c2 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a3542 as the background.

Brands using this color

Fonts for this mood

#1a3542 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a3542
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 #1a3542 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a3542-9cb2c4-df4e64-1f232d-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