brandsweets

Color

#0615ea

#0615ea
hex#0615ea
rgbrgb(6, 21, 234)
hslhsl(236, 95%, 47%)
oklchoklch(0.433 0.287 264.6)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0652
CoolVividTechnicalModern
Open in palette toolCheck contrastWhat goes with it ↓

Colors that go with #0615ea

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 #0615ea

Alaska Airlines· brandBBC· brandBinance· brandBurger King· brand

Tints & shades

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

Harmonies

Complementary

Open in tool →
0615eaeadb06

#eadb06

Analogous

Open in tool →
0615ea0687ea6906ea

#0687ea · #6906ea

Triadic

Open in tool →
0615eaea061515ea06

#ea0615 · #15ea06

Split-complementary

Open in tool →
0615eaea690687ea06

#ea6906 · #87ea06

Tetradic

Open in tool →
0615eaea0687eadb0606ea69

#ea0687 · #eadb06 · #06ea69

Contrast

#0615ea as textRatioAAAA largeAAAFix
Aaon white
9.12:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #5b66fb as the text (4.74:1)
  • AAA: use #838bfc as the text (7.06:1)
  • AA: or shift the background to #b8b8b8 (4.6:1)
  • AAA: or shift the background to #e3e3e3 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0615ea as the background.

Brands using this color

Fonts for this mood

#0615ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #0615ea
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 #0615ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0615ea-9e9cc4-df8f4e-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