Color

#02233b

#02233b
hex#02233b
rgbrgb(2, 35, 59)
hslhsl(205, 93%, 12%)
oklchoklch(0.247 0.059 244.8)
Closest name: Midnight Dreams (#002233)Relative luminance 0.0153

Colors that go with #02233b

Charcoal, Royal Blue 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 →

#3b1a02

#023b36 · #02073b

#3b0223 · #233b02

Split-complementary

Open in tool →

#3b0207 · #3b3602

#36023b · #3b1a02 · #073b02

Contrast

#02233b as textRatioAAAA largeAAAFix
Aaon white
16.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #0779ca as the text (4.6:1)
  • AAA: use #189af7 as the text (7:1)
  • AA: or shift the background to #8a8a8a (4.66:1)
  • AAA: or shift the background to #ababab (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #02233b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#02233b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #02233b
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 #02233b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/02233b-9cafc4-df4e58-1f212d-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