Color

#01285b

#01285b
hex#01285b
rgbrgb(1, 40, 91)
hslhsl(214, 98%, 18%)
oklchoklch(0.287 0.101 257.3)
Closest name: Black Sea Night (#052462)Relative luminance 0.0228

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5b3401

#01555b · #07015b

#5b0128 · #285b01

Split-complementary

Open in tool →

#5b0701 · #555b01

#5b0155 · #5b3401 · #015b07

Contrast

#01285b as textRatioAAAA largeAAAFix
Aaon white
14.42:1passpasspassPasses AAA — no fix needed.
Aaon black
1.46:1failfailfail
  • AA: use #026df7 as the text (4.53:1)
  • AAA: use #4997fd as the text (7.13:1)
  • AA: or shift the background to #919191 (4.58:1)
  • AAA: or shift the background to #b5b5b5 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #01285b 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

#01285b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01285b
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 #01285b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01285b-9ca9c4-df5a4e-1f1f2d-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