Color

#234153

#234153
hex#234153
rgbrgb(35, 65, 83)
hslhsl(203, 41%, 23%)
oklchoklch(0.36 0.048 236.5)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0476

Colors that go with #234153

Dark Olive Green, Royal Blue and Teal 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 →

#533523

#23534d · #232853

#532340 · #405323

Split-complementary

Open in tool →

#532328 · #534d23

#4d2353 · #533523 · #285323

Contrast

#234153 as textRatioAAAA largeAAAFix
Aaon white
10.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.95:1failfailfail
  • AA: use #427b9e as the text (4.56:1)
  • AAA: use #649cbe as the text (7.04:1)
  • AA: or shift the background to #a8a8a8 (4.52:1)
  • AAA: or shift the background to #d1d1d1 (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 #234153 as the background.

Brands using this color

Fonts for this mood

#234153 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #234153
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 #234153 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/234153-9cb0c4-df4e5d-1f222d-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