brandsweets

Color

#1001e4

#1001e4
hex#1001e4
rgbrgb(16, 1, 228)
hslhsl(244, 99%, 45%)
oklchoklch(0.418 0.285 265.5)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0573
CoolVividTechnicalModern
Open in palette toolCheck contrastWhat goes with it ↓

Colors that go with #1001e4

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 #1001e4

Activision· brandAlaska Airlines· brandBBC· brandBinance· brand

Tints & shades

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

Harmonies

Complementary

Open in tool →
1001e4d5e401

#d5e401

Analogous

Open in tool →
1001e40164e48201e4

#0164e4 · #8201e4

Triadic

Open in tool →
1001e4e4100101e410

#e41001 · #01e410

Split-complementary

Open in tool →
1001e4e4820164e401

#e48201 · #64e401

Tetradic

Open in tool →
1001e4e40164d5e40101e482

#e40164 · #d5e401 · #01e482

Contrast

#1001e4 as textRatioAAAA largeAAAFix
Aaon white
9.78:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #675dfe as the text (4.57:1)
  • AAA: use #928afe as the text (7.29:1)
  • AA: or shift the background to #b0b0b0 (4.51:1)
  • AAA: or shift the background to #dbdbdb (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 #1001e4 as the background.

Brands using this color

Fonts for this mood

#1001e4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #1001e4
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 #1001e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1001e4-a39cc4-dfa24e-261f2d-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