Color

#263d40

#263d40
hex#263d40
rgbrgb(38, 61, 64)
hslhsl(187, 25%, 20%)
oklchoklch(0.342 0.029 206.2)
Closest name: Sunken Harbour (#1c3d44)Relative luminance 0.0412

Tints & shades

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

Harmonies

Complementary

Open in tool →

#402926

#264036 · #263040

#40263d · #3d4026

Split-complementary

Open in tool →

#402630 · #403626

#362640 · #402926 · #304026

Contrast

#263d40 as textRatioAAAA largeAAAFix
Aaon white
11.51:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #4e7d83 as the text (4.59:1)
  • AAA: use #699ea5 as the text (7.03:1)
  • AA: or shift the background to #a3a3a3 (4.56:1)
  • AAA: or shift the background to #cccccc (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #263d40 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

#263d40 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263d40
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 #263d40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263d40-a2b8be-df4e83-1f262d-e9f1ee?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