# #516170

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

## Values

- Hex: `#516170`
- RGB: rgb(81, 97, 112)
- HSL: hsl(209, 16%, 38%)
- OKLCH: oklch(0.485 0.031 246.8)
- Relative luminance: 0.1147
- Nearest named color: Concrete Landscape (#5c606e, Δ 1.572) — https://brandsweets.com/colors/concrete-landscape
- Moods: cool, muted
- Page: https://brandsweets.com/colors/516170

## Tints & shades

- Tints (toward white): #5e7182, #6b8094, #7d8fa1, #8f9fae, #a0aeba, #b2bdc7, #c4ccd4, #d6dbe1, #e7ebee, #f9fafb
- Shades (toward black): #4b5a68, #424f5c, #3c4853, #333e47, #2d363e, #272e35, #1e2429, #181c21, #0f1215, #090a0c

## Harmonies

- Complementary: #706051
- Analogous: #517070, #515270
- Triadic: #705161, #617051
- Split-complementary: #705152, #707051
- Tetradic: #705170, #706051, #527051

## Colors that go with #516170

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 #516170: softer than #000 and cool enough to feel like part of the same palette. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Pampers (https://brandsweets.com/colors/brands/pampers-com), Campus (https://brandsweets.com/palettes/friendly#campus), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/charcoal
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #516170 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), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/sienna
- **Blue** #0000ff [pool] — 4 real palettes, including Warp's brand system and Activision's brand system put Blue beside #516170, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Activision (https://brandsweets.com/colors/brands/activision-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Graphite Mono and Blush put Blush Pink beside #516170, as the accent. Seen in: Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Blush (https://brandsweets.com/palettes/light#blush), Nursery (https://brandsweets.com/palettes/light#nursery), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/blush-pink
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #516170, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #516170: 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
- **Crimson** #dc143c [pool] — Crimson is paired with #516170 in 9 real palettes, including Gemstone and Codecademy's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson
- **Dark Goldenrod** #b8860b [pool] — 4 real palettes, including Greige and Cider put Dark Goldenrod beside #516170, as the accent. Seen in: Greige (https://brandsweets.com/palettes/neutral#greige), Cider (https://brandsweets.com/palettes/warm#cider), Puma (https://brandsweets.com/colors/brands/puma-com), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/darkgoldenrod

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

- On white (#ffffff): 6.38:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #4b5a68 (7.09:1)
- On black (#000000): 3.29:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #65788b (4.61:1); AA: background → #d9d9d9 (4.52:1); AAA: text → #899aa9 (7.26:1)

## Brands using this color

- **GitHub** — textMuted #57606a (Δ 1.17) — https://brandsweets.com/colors/brands/github
- **Stripe** — secondary #50617a (Δ 1.644) — https://brandsweets.com/colors/brands/stripe
- **Lufthansa** — secondary #52627c (Δ 1.932) — https://brandsweets.com/colors/brands/lufthansa-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/516170-9cacc4-df4e4e-1f212d-e9f1f1?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: "#516170" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.