# #51475c

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

## Values

- Hex: `#51475c`
- RGB: rgb(81, 71, 92)
- HSL: hsl(269, 13%, 32%)
- OKLCH: oklch(0.416 0.037 306.5)
- Relative luminance: 0.0703
- Nearest named color: Black Magic (#4f4554, Δ 1.4) — https://brandsweets.com/colors/black-magic
- Moods: cool, muted
- Page: https://brandsweets.com/colors/51475c

## Tints & shades

- Tints (toward white): #635770, #726482, #847595, #9386a2, #a59ab1, #b7aec1, #c7c0ce, #d9d4de, #e8e5eb, #faf9fb
- Shades (toward black): #4a4054, #423a4b, #3d3545, #352f3d, #2e2834, #26212b, #1e1b23, #19161d, #121014, #0a090c

## Harmonies

- Complementary: #525c47
- Analogous: #47475c, #5c475c
- Triadic: #5c5147, #475c51
- Split-complementary: #5c5c47, #475c47
- Tetradic: #5c4747, #525c47, #475c5c

## Colors that go with #51475c

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

- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #51475c — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Gusto (https://brandsweets.com/colors/brands/gusto-com), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/teal
- **Blue** #0000ff [pool] — 4 real palettes, including Jeep's brand system and Dunkin''s brand system put Blue beside #51475c, as the accent. Seen in: Jeep (https://brandsweets.com/colors/brands/jeep-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Darkroom and Bramble put Champagne beside #51475c, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), Bramble (https://brandsweets.com/palettes/muted#bramble), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #51475c: 4 real palettes, including Desert Road and Bramble, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Bramble (https://brandsweets.com/palettes/muted#bramble), Dusk (https://brandsweets.com/palettes/cool#dusk), Notion (https://brandsweets.com/colors/brands/notion). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #51475c in 7 real palettes, including Codecademy's brand system and Dunkin''s brand system, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #51475c: 8 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 #51475c in 6 real palettes, including Fireside and Disney's brand system, as the accent. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Disney (https://brandsweets.com/colors/brands/disney-com), Open House (https://brandsweets.com/palettes/clean#open-house), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/goldenrod
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #51475c: 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): 8.73:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.41:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7f6f90 (4.58:1); AA: background → #bdbdbd (4.65:1); AAA: text → #9e92ab (7.15:1); AAA: background → #e8e8e8 (7.12:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/51475c-b49cc4-cbcb62-2c1f2d-e9e9f1?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: "#51475c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.