brandsweets

Color

#237fa4

#237fa4
hex#237fa4
rgbrgb(35, 127, 164)
hslhsl(197, 65%, 39%)
oklchoklch(0.561 0.1 230)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.1822
CoolVividTechnicalModern
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
237fa4a44723

#a44723

Analogous

Open in tool →
237fa423a488233fa4

#23a488 · #233fa4

Triadic

Open in tool →
237fa4a4237f7fa423

#a4237f · #7fa423

Split-complementary

Open in tool →
237fa4a4233fa48823

#a4233f · #a48823

Tetradic

Open in tool →
237fa48823a4a447233fa423

#8823a4 · #a44723 · #3fa423

Contrast

#237fa4 as textRatioAAAA largeAAAFix
Aaon white
4.52:1passpassfail
  • AAA: use #1a5f7a as the text (7.09:1)
Aaon black
4.64:1passpassfail
  • AAA: use #2ca0ce as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #237fa4 as the background.

Brands using this color

Fonts for this mood

#237fa4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #237fa4
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 #237fa4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/237fa4-9cb4c4-df4e6b-1f232d-e9f1ef?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