Color

#01254b

#01254b
hex#01254b
rgbrgb(1, 37, 75)
hslhsl(211, 97%, 15%)
oklchoklch(0.265 0.081 253.4)
Closest name: Dark Eclipse (#112244)Relative luminance 0.0184

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4b2701

#014a4b · #02014b

#4b0125 · #254b01

Split-complementary

Open in tool →

#4b0201 · #4a4b01

#4b014a · #4b2701 · #014b02

Contrast

#01254b as textRatioAAAA largeAAAFix
Aaon white
15.36:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #0472e7 as the text (4.57:1)
  • AAA: use #3b98fc as the text (7.08:1)
  • AA: or shift the background to #8c8c8c (4.57:1)
  • AAA: or shift the background to #b0b0b0 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #01254b as the background.

Brands using this color

Fonts for this mood

#01254b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01254b
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 #01254b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01254b-9cabc4-df534e-1f202d-e9f1f1?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