# #37606d

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

## Values

- Hex: `#37606d`
- RGB: rgb(55, 96, 109)
- HSL: hsl(194, 33%, 32%)
- OKLCH: oklch(0.464 0.051 220.3)
- Relative luminance: 0.1028
- Nearest named color: After the Storm (#33616a, Δ 0.799) — https://brandsweets.com/colors/after-the-storm
- Moods: cool, muted
- Page: https://brandsweets.com/colors/37606d

## Tints & shades

- Tints (toward white): #437584, #4d8799, #5c9aad, #71a7b7, #88b5c3, #a0c4cf, #b4d1d9, #ccdfe5, #e0ecf0, #f8fbfc
- Shades (toward black): #325762, #2c4e58, #294851, #243f47, #1f363d, #1a2d33, #152429, #111e22, #0c1518, #070c0e

## Harmonies

- Complementary: #6d4337
- Analogous: #376d5e, #37456d
- Triadic: #6d3760, #606d37
- Split-complementary: #6d3745, #6d5e37
- Tetradic: #5e376d, #6d4337, #456d37

## Colors that go with #37606d

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

- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #37606d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Capital One (https://brandsweets.com/colors/brands/capitalone-com), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Discover (https://brandsweets.com/colors/brands/discover-com), American Express (https://brandsweets.com/colors/brands/americanexpress-com). — https://brandsweets.com/colors/steelblue
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #37606d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/sienna
- **Blue** #0000ff [pool] — 7 real palettes, including Warp's brand system and Rolex's brand system put Blue beside #37606d, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Rolex (https://brandsweets.com/colors/brands/rolex-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Activision (https://brandsweets.com/colors/brands/activision-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #37606d: 4 real palettes, including Open House and Alpine, as the supporting colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Alpine (https://brandsweets.com/palettes/cool#alpine), Dusk (https://brandsweets.com/palettes/cool#dusk), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #37606d, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/champagne
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #37606d: 4 real palettes, including Fintech Trust and Ink & Paper, as the lead colour. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Ink & Paper (https://brandsweets.com/palettes/minimal#ink-and-paper), Unilever (https://brandsweets.com/colors/brands/unilever-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Copper** #b87333 [pool] — Designers have shipped Copper with #37606d: 4 real palettes, including Desert Road and Dusk, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Dusk (https://brandsweets.com/palettes/cool#dusk), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #37606d: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 6.87:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #355d69 (7.19:1)
- On black (#000000): 3.06:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #487e8e (4.65:1); AA: background → #d4d4d4 (4.64:1); AAA: text → #639eb0 (7.05:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/37606d-9cb6c4-df4e72-1f242d-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: "#37606d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.