Color

#05223e

#05223e
hex#05223e
rgbrgb(5, 34, 62)
hslhsl(209, 85%, 13%)
oklchoklch(0.248 0.063 251)
Closest name: Midnight Mirage (#001f3f)Relative luminance 0.0152

Colors that go with #05223e

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 →

#3d2005

#053d3c · #05063d

#3d0522 · #223d05

Split-complementary

Open in tool →

#3d0506 · #3d3c05

#3c053d · #3d2005 · #063d05

Contrast

#05223e as textRatioAAAA largeAAAFix
Aaon white
16.09:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #1176d4 as the text (4.57:1)
  • AAA: use #3e99ef as the text (7.01:1)
  • AA: or shift the background to #8a8a8a (4.66:1)
  • AAA: or shift the background to #ababab (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #05223e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#05223e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #05223e
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 #05223e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05223e-9cacc4-df4e4e-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