Color

#010f55

#010f55
hex#010f55
rgbrgb(1, 15, 85)
hslhsl(230, 98%, 17%)
oklchoklch(0.226 0.125 264.4)
Closest name: Interstellar Blue (#001155)Relative luminance 0.01

Tints & shades

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

Harmonies

Complementary

Open in tool →

#564801

#013a56 · #1d0156

#56010f · #0f5601

Split-complementary

Open in tool →

#561d01 · #3a5601

#56013a · #564801 · #01561d

Contrast

#010f55 as textRatioAAAA largeAAAFix
Aaon white
17.49:1passpasspassPasses AAA — no fix needed.
Aaon black
1.2:1failfailfail
  • AA: use #4967fd as the text (4.64:1)
  • AAA: use #778dfe as the text (7.03:1)
  • AA: or shift the background to #828282 (4.55:1)
  • AAA: or shift the background to #a6a6a6 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #010f55 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

#010f55 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #010f55
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 #010f55 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/010f55-9c9ec4-df814e-231f2d-e9eef1?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