Color

#05243e

#05243e
hex#05243e
rgbrgb(5, 36, 62)
hslhsl(207, 85%, 13%)
oklchoklch(0.254 0.061 248.1)
Closest name: Dark Eclipse (#112244)Relative luminance 0.0164

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d1e05

#053d3b · #05083d

#3d0524 · #243d05

Split-complementary

Open in tool →

#3d0508 · #3d3b05

#3b053d · #3d1e05 · #083d05

Contrast

#05243e as textRatioAAAA largeAAAFix
Aaon white
15.81:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #1077cb as the text (4.52:1)
  • AAA: use #349bef as the text (7.08:1)
  • AA: or shift the background to #8a8a8a (4.58:1)
  • AAA: or shift the background to #adadad (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #05243e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#05243e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #05243e
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 #05243e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05243e-9cadc4-df4e53-1f212d-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