Color

#0e283f

#0e283f
hex#0e283f
rgbrgb(14, 40, 63)
hslhsl(208, 64%, 15%)
oklchoklch(0.269 0.054 248)
Closest name: Eternal Darkness (#1c2841)Relative luminance 0.0197

Colors that go with #0e283f

Charcoal, Crimson and Rust 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 →

#3f250e

#0e3f3d · #0e0f3f

#3f0e28 · #283f0e

Split-complementary

Open in tool →

#3f0e0f · #3f3d0e

#3d0e3f · #3f250e · #0f3f0e

Contrast

#0e283f as textRatioAAAA largeAAAFix
Aaon white
15.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.39:1failfailfail
  • AA: use #2978bc as the text (4.51:1)
  • AAA: use #549bd9 as the text (7.07:1)
  • AA: or shift the background to #8f8f8f (4.66:1)
  • AAA: or shift the background to #b3b3b3 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0e283f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0e283f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0e283f
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 #0e283f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0e283f-9cadc4-df4e51-1f212d-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