# #1c4445

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

## Values

- Hex: `#1c4445`
- RGB: rgb(28, 68, 69)
- HSL: hsl(181, 42%, 19%)
- OKLCH: oklch(0.359 0.045 197.5)
- Relative luminance: 0.0481
- Nearest named color: Botanical Night (#12403c, Δ 2.161) — https://brandsweets.com/colors/botanical-night
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/1c4445

## Tints & shades

- Tints (toward white): #286162, #347d7f, #409a9c, #4eb5b7, #6bc1c2, #84cccd, #a1d8d9, #bee4e4, #dbf0f0, #f8fcfc
- Shades (toward black): #1b4141, #18393a, #163636, #132f2f, #122b2b, #0f2424, #0d2021, #0a1919, #091616, #060e0e

## Harmonies

- Complementary: #451d1c
- Analogous: #1c4531, #1c3045
- Triadic: #451c44, #44451c
- Split-complementary: #451c30, #45311c
- Tetradic: #311c45, #451d1c, #30451c

## Colors that go with #1c4445

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

- **Firebrick** #b22222 [harmony, pool: complementary] — Firebrick sits directly opposite #1c4445 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Fenty Beauty (https://brandsweets.com/colors/brands/fentybeauty-com), Vodafone (https://brandsweets.com/colors/brands/vodafone-com), Datadog (https://brandsweets.com/colors/brands/datadoghq-com). — https://brandsweets.com/colors/firebrick
- **Teal** #008080 [harmony, pool: analogous] — Teal is #1c4445's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Gusto (https://brandsweets.com/colors/brands/gusto-com), Mid-Century (https://brandsweets.com/palettes/warm#mid-century). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #1c4445 in 4 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 11 real palettes, including Jeep's brand system and Instacart's brand system put Blue beside #1c4445, as the accent. Seen in: Jeep (https://brandsweets.com/colors/brands/jeep-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Garden Wedding and Rain Garden put Blush Pink beside #1c4445, as the supporting colour. Seen in: Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Nursery (https://brandsweets.com/palettes/light#nursery), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink
- **Burlywood** #deb887 [pool] — Burlywood is paired with #1c4445 in 4 real palettes, including Polaroid and Coastal, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Coastal (https://brandsweets.com/palettes/cool#coastal), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #1c4445: 7 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
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #1c4445: 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): 10.7:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.96:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #358182 (4.61:1); AA: background → #a8a8a8 (4.5:1); AAA: text → #44a5a7 (7.19:1); AAA: background → #d1d1d1 (7.01:1)

## Brands using this color

- **Jeep** — secondary #1e4544 (Δ 0.483) — https://brandsweets.com/colors/brands/jeep-com
- **HubSpot** — primary #124548 (Δ 0.817) — https://brandsweets.com/colors/brands/hubspot-com
- **HubSpot** — accent #124548 (Δ 0.817) — https://brandsweets.com/colors/brands/hubspot-com
- **Zendesk** — accent #17494d (Δ 1.8) — https://brandsweets.com/colors/brands/zendesk-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/1c4445-a2babe-d45992-1f272d-e9f1ed?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: "#1c4445" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.