brandsweets

Color

#010de9

#010de9
hex#010de9
rgbrgb(1, 13, 233)
hslhsl(237, 99%, 46%)
oklchoklch(0.427 0.289 264.2)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0618
CoolVividTechnicalModern
Open in palette toolCheck contrastWhat goes with it ↓

Colors that go with #010de9

Charcoal, Crimson and Cobalt Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #010de9

Activision· brandAlaska Airlines· brandBBC· brandBinance· brand

Tints & shades

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

Harmonies

Complementary

Open in tool →
010de9e9de01

#e9de01

Analogous

Open in tool →
010de90181e96a01e9

#0181e9 · #6a01e9

Triadic

Open in tool →
010de9e9010d0de901

#e9010d · #0de901

Split-complementary

Open in tool →
010de9e96a0181e901

#e96a01 · #81e901

Tetradic

Open in tool →
010de9e90181e9de0101e96a

#e90181 · #e9de01 · #01e96a

Contrast

#010de9 as textRatioAAAA largeAAAFix
Aaon white
9.39:1passpasspassPasses AAA — no fix needed.
Aaon black
2.24:1failfailfail
  • AA: use #5860fe as the text (4.52:1)
  • AAA: use #858bfe as the text (7.12:1)
  • AA: or shift the background to #b5b5b5 (4.58:1)
  • AAA: or shift the background to #e0e0e0 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #010de9 as the background.

Brands using this color

Fonts for this mood

#010de9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #010de9
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #010de9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/010de9-9f9cc4-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