Color

#263b3a

#263b3a
hex#263b3a
rgbrgb(38, 59, 58)
hslhsl(177, 22%, 19%)
oklchoklch(0.334 0.027 192.2)
Closest name: Royal Neptune (#1c3b42)Relative luminance 0.0385

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3b2627

#263b2f · #26323b

#3a263b · #3b3a26

Split-complementary

Open in tool →

#3b2632 · #3b2f26

#2f263b · #3b2627 · #323b26

Contrast

#263b3a as textRatioAAAA largeAAAFix
Aaon white
11.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #507c7a as the text (4.51:1)
  • AAA: use #6aa09d as the text (7.13:1)
  • AA: or shift the background to #a1a1a1 (4.59:1)
  • AAA: or shift the background to #c7c7c7 (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 #263b3a 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

#263b3a reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263b3a
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 #263b3a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263b3a-a2bcbe-d4599b-1f282d-e9f1ed?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