Color

#4d88fe

#4d88fe
hex#4d88fe
rgbrgb(77, 136, 254)
hslhsl(220, 99%, 65%)
oklchoklch(0.647 0.186 262.4)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2634

Colors that go with #4d88fe

Charcoal, Medium Sea Green 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 →

#fec34d

#4de1fe · #6b4dfe

#fe4d88 · #88fe4d

Split-complementary

Open in tool →

#fe6b4d · #e1fe4d

#fe4de1 · #fec34d · #4dfe6b

Contrast

#4d88fe as textRatioAAAA largeAAAFix
Aaon white
3.35:1failpassfail
  • AA: use #206afe as the text (4.61:1)
  • AAA: use #0149da as the text (7.08:1)
  • AA: or shift the background to #262626 (4.52:1)
Aaon black
6.27:1passpassfail
  • AAA: use #5d92fe as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d88fe as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#4d88fe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d88fe
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 #4d88fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d88fe-9ca5c4-df694e-211f2d-e9f0f1?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