Color

#263d59

#263d59
hex#263d59
rgbrgb(38, 61, 89)
hslhsl(213, 40%, 25%)
oklchoklch(0.355 0.057 254)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0447

Tints & shades

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

Harmonies

Complementary

Open in tool →

#594226

#265759 · #292659

#59263d · #3d5926

Split-complementary

Open in tool →

#592926 · #575926

#592657 · #594226 · #265929

Contrast

#263d59 as textRatioAAAA largeAAAFix
Aaon white
11.09:1passpasspassPasses AAA — no fix needed.
Aaon black
1.89:1failfailfail
  • AA: use #4b78af as the text (4.6:1)
  • AAA: use #7498c3 as the text (7.02:1)
  • AA: or shift the background to #a6a6a6 (4.55:1)
  • AAA: or shift the background to #cfcfcf (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #263d59 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

#263d59 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263d59
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 #263d59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263d59-9ca9c4-df584e-1f202d-e9f0f1?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