Color

#00259e

#00259e
hex#00259e
rgbrgb(0, 37, 158)
hslhsl(226, 100%, 31%)
oklchoklch(0.352 0.195 263.8)
Closest name: Deepsea Kraken (#082599)Relative luminance 0.0379

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9e7900

#00749e · #2a009e

#9e0025 · #259e00

Split-complementary

Open in tool →

#9e2a00 · #749e00

#9e0074 · #9e7900 · #009e2a

Contrast

#00259e as textRatioAAAA largeAAAFix
Aaon white
11.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #3867ff as the text (4.55:1)
  • AAA: use #7092ff as the text (7.24:1)
  • AA: or shift the background to #a1a1a1 (4.62:1)
  • AAA: or shift the background to #c7c7c7 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #00259e 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

#00259e reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00259e
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 #00259e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00259e-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