Color

#5da5fd

#5da5fd
hex#5da5fd
rgbrgb(93, 165, 253)
hslhsl(213, 98%, 68%)
oklchoklch(0.714 0.148 254.5)
Closest name: Cerulean (#55aaee)Relative luminance 0.3633

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fdb55d

#5df5fd · #655dfd

#fd5da5 · #a5fd5d

Split-complementary

Open in tool →

#fd655d · #f5fd5d

#fd5df5 · #fdb55d · #5dfd65

Contrast

#5da5fd as textRatioAAAA largeAAAFix
Aaon white
2.54:1failfailfail
  • AA: use #026ef2 as the text (4.65:1)
  • AAA: use #0253b6 as the text (7.2:1)
  • AA: or shift the background to #383838 (4.62:1)
  • AAA: or shift the background to #171717 (7.06:1)
Aaon black
8.27:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5da5fd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#5da5fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5da5fd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #5da5fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5da5fd-9ca9c4-df584e-1f202d-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