Color

#11253c

#11253c
hex#11253c
rgbrgb(17, 37, 60)
hslhsl(212, 56%, 15%)
oklchoklch(0.26 0.051 253.2)
Closest name: Dark Eclipse (#112244)Relative luminance 0.0177

Colors that go with #11253c

Charcoal, Sea 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 →

#3c2811

#113a3c · #12113c

#3c1125 · #253c11

Split-complementary

Open in tool →

#3c1211 · #3a3c11

#3c113a · #3c2811 · #113c12

Contrast

#11253c as textRatioAAAA largeAAAFix
Aaon white
15.51:1passpasspassPasses AAA — no fix needed.
Aaon black
1.35:1failfailfail
  • AA: use #3676bf as the text (4.5:1)
  • AAA: use #689ad4 as the text (7.16:1)
  • AA: or shift the background to #8c8c8c (4.61:1)
  • AAA: or shift the background to #b0b0b0 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #11253c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#11253c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #11253c
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 #11253c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11253c-9caac4-df564e-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