Color

#01375b

#01375b
hex#01375b
rgbrgb(1, 55, 91)
hslhsl(204, 98%, 18%)
oklchoklch(0.326 0.082 245.4)
Closest name: Beyond the Stars (#0a3251)Relative luminance 0.0349

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5b2501

#015b52 · #010a5b

#5b0137 · #375b01

Split-complementary

Open in tool →

#5b010a · #5b5201

#52015b · #5b2501 · #0a5b01

Contrast

#01375b as textRatioAAAA largeAAAFix
Aaon white
12.36:1passpasspassPasses AAA — no fix needed.
Aaon black
1.7:1failfailfail
  • AA: use #027aca as the text (4.64:1)
  • AAA: use #089bfd as the text (7.12:1)
  • AA: or shift the background to #9c9c9c (4.5:1)
  • AAA: or shift the background to #c4c4c4 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #01375b 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

#01375b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01375b
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 #01375b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01375b-9cafc4-df4e5a-1f222d-e9f1f0?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