Color

#001cf0

#001cf0
hex#001cf0
rgbrgb(0, 28, 240)
hslhsl(233, 100%, 47%)
oklchoklch(0.445 0.29 264.2)
Closest name: Blue Overdose (#0020ef)Relative luminance 0.0712

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f0d400

#0094f0 · #5c00f0

#f0001c · #1cf000

Split-complementary

Open in tool →

#f05c00 · #94f000

#f00094 · #f0d400 · #00f05c

Contrast

#001cf0 as textRatioAAAA largeAAAFix
Aaon white
8.66:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #5266ff as the text (4.7:1)
  • AAA: use #808eff as the text (7.23:1)
  • AA: or shift the background to #bdbdbd (4.61:1)
  • AAA: or shift the background to #e8e8e8 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #001cf0 as the background.

Brands using this color

Fonts for this mood

#001cf0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #001cf0
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 #001cf0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/001cf0-9c9cc4-df884e-241f2d-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