# #3d4e61

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

## Values

- Hex: `#3d4e61`
- RGB: rgb(61, 78, 97)
- HSL: hsl(212, 23%, 31%)
- OKLCH: oklch(0.417 0.038 251.6)
- Relative luminance: 0.073
- Nearest named color: Abyssal (#404c57, Δ 1.629) — https://brandsweets.com/colors/abyssal
- Moods: cool, muted
- Page: https://brandsweets.com/colors/3d4e61

## Tints & shades

- Tints (toward white): #4b5f77, #566e8a, #65809f, #7b92ad, #91a4ba, #a4b4c6, #bac6d4, #d0d8e2, #e3e8ed, #f9fafb
- Shades (toward black): #374658, #334152, #2d3a48, #27323f, #232d38, #1d262f, #181e26, #12171c, #0e1216, #080a0d

## Harmonies

- Complementary: #61503d
- Analogous: #3d6061, #3e3d61
- Triadic: #613d4e, #4e613d
- Split-complementary: #613e3d, #60613d
- Tetradic: #613d60, #61503d, #3d613e

## Colors that go with #3d4e61

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: analogous] — Teal is #3d4e61's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. 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
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #3d4e61 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 Jeep's brand system and Alaska Airlines's brand system put Blue beside #3d4e61, as the accent. Seen in: Jeep (https://brandsweets.com/colors/brands/jeep-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Nursery and Garden Wedding put Blush Pink beside #3d4e61, as the lead colour. Seen in: Nursery (https://brandsweets.com/palettes/light#nursery), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Blush (https://brandsweets.com/palettes/light#blush), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/blush-pink
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #3d4e61: 4 real palettes, including Dusk and Paper & Pine, as the supporting colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Open House (https://brandsweets.com/palettes/clean#open-house), Alpine (https://brandsweets.com/palettes/cool#alpine). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Darkroom and Sweetgreen's brand system put Champagne beside #3d4e61, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #3d4e61: 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), Notion (https://brandsweets.com/colors/brands/notion), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/copper
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #3d4e61: 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): 8.53:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.46:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5e7997 (4.66:1); AA: background → #bdbdbd (4.54:1); AAA: text → #8297b0 (7:1); AAA: background → #ebebeb (7.16:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/3d4e61-9caac4-df564e-1f202d-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: "#3d4e61" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.