Color

#263b82

#263b82
hex#263b82
rgbrgb(38, 59, 130)
hslhsl(226, 55%, 33%)
oklchoklch(0.378 0.122 267.7)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0515

Tints & shades

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

Harmonies

Complementary

Open in tool →

#826d26

#266a82 · #3f2682

#82263b · #3b8226

Split-complementary

Open in tool →

#823f26 · #6a8226

#82266a · #826d26 · #26823f

Contrast

#263b82 as textRatioAAAA largeAAAFix
Aaon white
10.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #5571ce as the text (4.64:1)
  • AAA: use #8195da as the text (7.24:1)
  • AA: or shift the background to #ababab (4.5:1)
  • AAA: or shift the background to #d6d6d6 (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 #263b82 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

#263b82 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263b82
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 #263b82 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263b82-9ca1c4-df774e-221f2d-e9eff1?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