Color

#263b4a

#263b4a
hex#263b4a
rgbrgb(38, 59, 74)
hslhsl(205, 32%, 22%)
oklchoklch(0.341 0.038 240.3)
Closest name: Astral Nomad (#203943)Relative luminance 0.0403

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#4a3526

#264a47 · #26294a

#4a263b · #3b4a26

Split-complementary

Open in tool →

#4a2629 · #4a4726

#47264a · #4a3526 · #294a26

Contrast

#263b4a as textRatioAAAA largeAAAFix
Aaon white
11.62:1passpasspassPasses AAA — no fix needed.
Aaon black
1.81:1failfailfail
  • AA: use #4e7997 as the text (4.51:1)
  • AAA: use #729ab6 as the text (7.01:1)
  • AA: or shift the background to #a3a3a3 (4.61:1)
  • AAA: or shift the background to #c9c9c9 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #263b4a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#263b4a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263b4a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #263b4a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263b4a-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