brandsweets

Color

#1f04ec

#1f04ec
hex#1f04ec
rgbrgb(31, 4, 236)
hslhsl(247, 97%, 47%)
oklchoklch(0.435 0.29 267.5)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0643
CoolVividTechnicalModern
Open in palette toolCheck contrastWhat goes with it ↓

Colors that go with #1f04ec

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 #1f04ec

Activision· brandAlaska Airlines· brandBBC· brandBinance· brand

Tints & shades

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

Harmonies

Complementary

Open in tool →
1f04ecd1ec04

#d1ec04

Analogous

Open in tool →
1f04ec045dec9304ec

#045dec · #9304ec

Triadic

Open in tool →
1f04ecec1f0404ec1f

#ec1f04 · #04ec1f

Split-complementary

Open in tool →
1f04ecec93045dec04

#ec9304 · #5dec04

Tetradic

Open in tool →
1f04ecec045dd1ec0404ec93

#ec045d · #d1ec04 · #04ec93

Contrast

#1f04ec as textRatioAAAA largeAAAFix
Aaon white
9.18:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #715efd as the text (4.72:1)
  • AAA: use #9486fd as the text (7.09:1)
  • AA: or shift the background to #b8b8b8 (4.63:1)
  • AAA: or shift the background to #e3e3e3 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f04ec as the background.

Brands using this color

Fonts for this mood

#1f04ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #1f04ec
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 #1f04ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f04ec-a59cc4-dfaa4e-271f2d-e9ecf1?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