# #337566

A color — neutral. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#337566`
- RGB: rgb(51, 117, 102)
- HSL: hsl(166, 39%, 33%)
- OKLCH: oklch(0.515 0.072 176.2)
- Relative luminance: 0.1439
- Nearest named color: Green Sleeves (#39766c, Δ 1.142) — https://brandsweets.com/colors/green-sleeves
- Moods: neutral
- Page: https://brandsweets.com/colors/337566

## Tints & shades

- Tints (toward white): #3e8e7b, #48a38e, #58b6a0, #6ebfac, #86caba, #9cd3c6, #b5ded5, #cae8e1, #e3f3ef, #f8fcfb
- Shades (toward black): #2f6a5c, #2a6053, #25554a, #214a41, #1e433b, #193931, #142e28, #10231f, #0b1916, #060e0c

## Harmonies

- Complementary: #753343
- Analogous: #337545, #336375
- Triadic: #663375, #756633
- Split-complementary: #753363, #754533
- Tetradic: #453375, #753343, #637533

## Colors that go with #337566

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 #337566: softer than #000 and cool enough to feel like part of the same palette. Seen in: Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Gusto (https://brandsweets.com/colors/brands/gusto-com), N26 (https://brandsweets.com/colors/brands/n26-com), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #337566 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Bun (https://brandsweets.com/colors/brands/bun-sh). — https://brandsweets.com/colors/mediumvioletred
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Forest Floor and Darkroom put Champagne beside #337566, as that palette's text colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #337566: 5 real palettes, including Riverbed and Clay & Linen, as the accent. Seen in: Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #337566 in 8 real palettes, including Gemstone and Five Guys's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #337566: 10 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #337566 in 4 real palettes, including Mid-Century and Sapphire & Gold, as the accent. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Fireside (https://brandsweets.com/palettes/dark#fireside), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #337566 in 4 real palettes, including Undergrowth and Indigo SaaS, as the lead colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/mediumseagreen

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

- On white (#ffffff): 5.42:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #2a6053 (7.25:1)
- On black (#000000): 3.88:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3a8372 (4.67:1); AA: background → #ebebeb (4.54:1); AAA: text → #49a791 (7.22:1)

## Brands using this color

- **Stanley** — secondary #22725f (Δ 1.95) — https://brandsweets.com/colors/brands/stanley1913-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/337566-a2bebb-d459b1-1f2a2d-e9f1ec?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: "#337566" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.