# #315e59

A color — muted, dark, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#315e59`
- RGB: rgb(49, 94, 89)
- HSL: hsl(173, 31%, 28%)
- OKLCH: oklch(0.448 0.051 186.3)
- Relative luminance: 0.0938
- Nearest named color: Iridescent (#3a5b52, Δ 1.375) — https://brandsweets.com/colors/iridescent
- Moods: muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/315e59

## Tints & shades

- Tints (toward white): #3e756e, #4a8c85, #56a49b, #6cb2a9, #83beb7, #9bcac5, #b2d7d2, #cae3e0, #e1efee, #f8fbfb
- Shades (toward black): #2e5752, #284d49, #254642, #203c39, #1c3532, #192f2c, #132523, #101e1c, #0b1413, #070d0d

## Harmonies

- Complementary: #5e3136
- Analogous: #315e42, #314d5e
- Triadic: #58315e, #5e5831
- Split-complementary: #5e314d, #5e4231
- Tetradic: #42315e, #5e3136, #4d5e31

## Colors that go with #315e59

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

- **Blue** #0000ff [pool] — 4 real palettes, including Rolex's brand system and Warp's brand system put Blue beside #315e59, as the accent. Seen in: Rolex (https://brandsweets.com/colors/brands/rolex-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Jeep (https://brandsweets.com/colors/brands/jeep-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #315e59: 4 real palettes, including Paper & Pine and Alpine, as the supporting colour. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Alpine (https://brandsweets.com/palettes/cool#alpine), Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #315e59: 4 real palettes, including Desert Road and Clay & Linen, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Dusk (https://brandsweets.com/palettes/cool#dusk), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #315e59 in 4 real palettes, including Codecademy's brand system and Gemstone, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Redfin (https://brandsweets.com/colors/brands/redfin-com), MAC Cosmetics (https://brandsweets.com/colors/brands/maccosmetics-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #315e59: 7 real palettes, including HP's brand system and Hinge's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #315e59 in 5 real palettes, including Fireside and Mid-Century, as the accent. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Open House (https://brandsweets.com/palettes/clean#open-house), Disney (https://brandsweets.com/colors/brands/disney-com). — https://brandsweets.com/colors/goldenrod
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #315e59: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke
- **Sienna** #a0522d [harmony, pool: split] — Sienna is a split-complement of #315e59: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/sienna

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

- On white (#ffffff): 7.3:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.88:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #437f78 (4.55:1); AA: background → #cccccc (4.55:1); AAA: text → #56a49b (7.18:1); AAA: background → #fcfcfc (7.12:1)

## Curated palettes containing it

- **Bookshop** (editorial, warm, elegant) — #7c3a1d, #8a7358, #2f5d50, #faf6ef, #2b2118 — Chestnut and forest on cream read like a cloth-bound spine; the palette recedes so covers and type do the talking. — tool: https://brandsweets.com/palettes/new/7c3a1d-8a7358-2f5d50-faf6ef-2b2118 — collection: https://brandsweets.com/palettes/editorial
- **Desert Road** (earthy, warm, muted, elegant) — #c2703d, #c9b28b, #3e5f5c, #fbf6ee, #2b211a — Sandstone and sand with a deep teal — the one cool note makes the warm colours look intentional rather than beige. — tool: https://brandsweets.com/palettes/new/c2703d-c9b28b-3e5f5c-fbf6ee-2b211a — collection: https://brandsweets.com/palettes/earthy
- **Darkroom** (vintage, muted, warm, editorial) — #7a4b3a, #b89b72, #3f5a5a, #f3ead8, #2c231c — Sepia, faded ochre and a teal shadow on aged paper — the photograph-in-a-drawer palette, tuned so it still passes AA. — tool: https://brandsweets.com/palettes/new/7a4b3a-b89b72-3f5a5a-f3ead8-2c231c — collection: https://brandsweets.com/palettes/vintage
- **Fireside** (winter, dark, warm, luxury) — #b23a3a, #2f5d50, #d4a857, #171a1f, #f2ede4 — Cranberry, pine and brass on a charcoal night — the holiday palette without the clichés, because the surface is cold. — tool: https://brandsweets.com/palettes/new/b23a3a-2f5d50-d4a857-171a1f-f2ede4 — collection: https://brandsweets.com/palettes/winter

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/315e59-a2bebe-d459a3-1f292d-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: "#315e59" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.