# #438fa8

A color — cool, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#438fa8`
- RGB: rgb(67, 143, 168)
- HSL: hsl(195, 43%, 46%)
- OKLCH: oklch(0.612 0.084 222.3)
- Relative luminance: 0.2367
- Nearest named color: Blue Moon (#3992a8, Δ 1.051) — https://brandsweets.com/colors/blue-moon
- Moods: cool, modern
- Page: https://brandsweets.com/colors/438fa8

## Tints & shades

- Tints (toward white): #4c9db8, #5fa7bf, #74b3c8, #87bdcf, #99c7d6, #abd1de, #bddbe5, #d3e7ee, #e5f1f5, #f8fbfc
- Shades (toward black): #3d8299, #37768b, #306678, #2a5a6a, #244d5b, #1f414d, #19353e, #11252c, #0c191d, #060c0f

## Harmonies

- Complementary: #a85c43
- Analogous: #43a88f, #435ca8
- Triadic: #a8438f, #8fa843
- Split-complementary: #a8435c, #a88f43
- Tetradic: #8f43a8, #a85c43, #5ca843

## Colors that go with #438fa8

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #438fa8: softer than #000 and cool enough to feel like part of the same palette. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: split] — Copper is a split-complement of #438fa8: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Atelier (https://brandsweets.com/palettes/elegant#atelier), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/copper
- **Chocolate** #d2691e [harmony, pool: complementary] — Chocolate sits directly opposite #438fa8 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/chocolate
- **Amber** #ffbf00 [pool] — Amber is paired with #438fa8 in 4 real palettes, including Beach Hut and Wired's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Wired (https://brandsweets.com/colors/brands/wired-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #438fa8: 6 real palettes, including Hershey's's brand system and Glacier, as the supporting colour. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Glacier (https://brandsweets.com/palettes/cool#glacier), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #438fa8 in 8 real palettes, including Retro Pop and Redfin's brand system, as the lead colour. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Redfin (https://brandsweets.com/colors/brands/redfin-com), Diner (https://brandsweets.com/palettes/vivid#diner), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #438fa8: 6 real palettes, including Telegram's brand system and Deep Water, as the lead colour. Seen in: Telegram (https://brandsweets.com/colors/brands/telegram-org), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Astro (https://brandsweets.com/colors/brands/astro-build), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #438fa8: 15 real palettes, including Peacock and Gopro's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Gopro (https://brandsweets.com/colors/brands/gopro-com), Discover (https://brandsweets.com/colors/brands/discover-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/denim

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 3.66:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3a7c92 (4.69:1); AA: background → #1c1c1c (4.65:1); AAA: text → #2c5d6d (7.26:1)
- On black (#000000): 5.73:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #509fb9 (7:1)

## Fonts for this mood

- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/438fa8-9cb5c4-df4e70-1f242d-e9f1ef?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#438fa8" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.