Color

#101cf4

#101cf4
hex#101cf4
rgbrgb(16, 28, 244)
hslhsl(237, 91%, 51%)
oklchoklch(0.452 0.292 265.3)
Closest name: Blue Overdose (#0020ef)Relative luminance 0.0747

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f4e810

#108df4 · #7710f4

#f4101c · #1cf410

Split-complementary

Open in tool →

#f47710 · #8df410

#f4108d · #f4e810 · #10f477

Contrast

#101cf4 as textRatioAAAA largeAAAFix
Aaon white
8.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.49:1failfailfail
  • AA: use #5e66f7 as the text (4.72:1)
  • AAA: use #858bf9 as the text (7.06:1)
  • AA: or shift the background to #bfbfbf (4.58:1)
  • AAA: or shift the background to #ebebeb (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #101cf4 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

#101cf4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #101cf4
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 #101cf4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/101cf4-9f9cc4-df924e-251f2d-e9edf1?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