Color

#263a78

#263a78
hex#263a78
rgbrgb(38, 58, 120)
hslhsl(225, 52%, 31%)
oklchoklch(0.368 0.109 267.4)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0479

Tints & shades

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

Harmonies

Complementary

Open in tool →

#786426

#266478 · #3a2678

#78263a · #3a7826

Split-complementary

Open in tool →

#783a26 · #647826

#782664 · #786426 · #26783a

Contrast

#263a78 as textRatioAAAA largeAAAFix
Aaon white
10.72:1passpasspassPasses AAA — no fix needed.
Aaon black
1.96:1failfailfail
  • AA: use #5472c9 as the text (4.63:1)
  • AAA: use #7f95d7 as the text (7.18:1)
  • AA: or shift the background to #a8a8a8 (4.51:1)
  • AAA: or shift the background to #d1d1d1 (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 #263a78 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

#263a78 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #263a78
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 #263a78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/263a78-9ca1c4-df754e-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