# #1f484c

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

## Values

- Hex: `#1f484c`
- RGB: rgb(31, 72, 76)
- HSL: hsl(185, 42%, 21%)
- OKLCH: oklch(0.374 0.046 203.9)
- Relative luminance: 0.0545
- Nearest named color: Cold and Dark (#154250, Δ 2.585) — https://brandsweets.com/colors/cold-and-dark
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/1f484c

## Tints & shades

- Tints (toward white): #2b6469, #357c82, #41979f, #51afb8, #6ebdc4, #88c8ce, #a4d6da, #c1e3e6, #dbeef0, #f8fcfc
- Shades (toward black): #1c4145, #1b3e41, #18373a, #153033, #132d2f, #102628, #0d1f21, #0a1819, #091516, #060e0e

## Harmonies

- Complementary: #4c231f
- Analogous: #1f4c39, #1f324c
- Triadic: #4c1f48, #484c1f
- Split-complementary: #4c1f32, #4c391f
- Tetradic: #391f4c, #4c231f, #324c1f

## Colors that go with #1f484c

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 #1f484c's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Auth0 (https://brandsweets.com/colors/brands/auth0-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Astro (https://brandsweets.com/colors/brands/astro-build), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #1f484c'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), N26 (https://brandsweets.com/colors/brands/n26-com), Mid-Century (https://brandsweets.com/palettes/warm#mid-century). — https://brandsweets.com/colors/teal
- **Rust** #b7410e [harmony, pool: complementary] — Rust sits directly opposite #1f484c on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: IHG (https://brandsweets.com/colors/brands/ihg-com), Trailhead (https://brandsweets.com/palettes/warm#trailhead). — https://brandsweets.com/colors/rust
- **Blue** #0000ff [pool] — 8 real palettes, including Jeep's brand system and Alaska Airlines's brand system put Blue beside #1f484c, as the accent. Seen in: Jeep (https://brandsweets.com/colors/brands/jeep-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Garden Wedding and Nursery put Blush Pink beside #1f484c, as the supporting colour. Seen in: Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Nursery (https://brandsweets.com/palettes/light#nursery), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #1f484c: 4 real palettes, including Paper & Pine and Clean Beauty, as the supporting colour. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Coastal (https://brandsweets.com/palettes/cool#coastal), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #1f484c: 5 real palettes, including Notion's brand system and Desert Road. Seen in: Notion (https://brandsweets.com/colors/brands/notion), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Bakery (https://brandsweets.com/palettes/warm#bakery). — https://brandsweets.com/colors/copper
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #1f484c: 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): 10.05:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.09:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #377f86 (4.54:1); AA: background → #b0b0b0 (4.63:1); AAA: text → #46a2aa (7.01:1); AAA: background → #d9d9d9 (7.12:1)

## Brands using this color

- **Zendesk** — accent #17494d (Δ 0.655) — https://brandsweets.com/colors/brands/zendesk-com
- **Jeep** — secondary #1e4544 (Δ 1.5) — https://brandsweets.com/colors/brands/jeep-com
- **HubSpot** — primary #124548 (Δ 1.67) — https://brandsweets.com/colors/brands/hubspot-com
- **HubSpot** — accent #124548 (Δ 1.67) — https://brandsweets.com/colors/brands/hubspot-com

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/1f484c-a2b8be-df4e88-1f262d-e9f1ee?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: "#1f484c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.