Color

#021de8

#021de8
hex#021de8
rgbrgb(2, 29, 232)
hslhsl(233, 98%, 46%)
oklchoklch(0.436 0.281 264.4)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0672

Colors that go with #021de8

Crimson, Charcoal and Orange Red 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e8cd02

#0290e8 · #5a02e8

#e8021d · #1de802

Split-complementary

Open in tool →

#e85a02 · #90e802

#e80290 · #e8cd02 · #02e85a

Contrast

#021de8 as textRatioAAAA largeAAAFix
Aaon white
8.96:1passpasspassPasses AAA — no fix needed.
Aaon black
2.34:1failfailfail
  • AA: use #4e63fd as the text (4.53:1)
  • AAA: use #818ffe as the text (7.29:1)
  • AA: or shift the background to #b8b8b8 (4.52:1)
  • AAA: or shift the background to #e6e6e6 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #021de8 as the background.

Brands using this color

Fonts for this mood

#021de8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021de8
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 #021de8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021de8-9c9cc4-df884e-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