Color

#5789ff

#5789ff
hex#5789ff
rgbrgb(87, 137, 255)
hslhsl(222, 100%, 67%)
oklchoklch(0.654 0.183 264.6)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2714

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffcd57

#57ddff · #7857ff

#ff5789 · #89ff57

Split-complementary

Open in tool →

#ff7857 · #ddff57

#ff57dd · #ffcd57 · #57ff78

Contrast

#5789ff as textRatioAAAA largeAAAFix
Aaon white
3.27:1failpassfail
  • AA: use #2969ff as the text (4.61:1)
  • AAA: use #0045e6 as the text (7.01:1)
  • AA: or shift the background to #262626 (4.63:1)
Aaon black
6.43:1passpassfail
  • AAA: use #6694ff as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5789ff as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#5789ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5789ff
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 #5789ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5789ff-9ca3c4-df6e4e-211f2d-e9eff1?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