Color

#102133

#102133
hex#102133
rgbrgb(16, 33, 51)
hslhsl(211, 52%, 13%)
oklchoklch(0.243 0.042 251.1)
Closest name: Midnight Dreams (#002233)Relative luminance 0.0144

Colors that go with #102133

Charcoal, Dark Olive Green and Sienna 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 →

#322210

#103232 · #101032

#321021 · #213210

Split-complementary

Open in tool →

#321010 · #323210

#321032 · #322210 · #103210

Contrast

#102133 as textRatioAAAA largeAAAFix
Aaon white
16.31:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #3b78ba as the text (4.58:1)
  • AAA: use #689acf as the text (7.11:1)
  • AA: or shift the background to #878787 (4.54:1)
  • AAA: or shift the background to #ababab (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #102133 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#102133 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #102133
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 #102133 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/102133-9cabc4-df534e-1f202d-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