# #182d8b

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#182d8b`
- RGB: rgb(24, 45, 139)
- HSL: hsl(229, 71%, 32%)
- OKLCH: oklch(0.351 0.157 267.3)
- Relative luminance: 0.0394
- Nearest named color: Deep Space Royal (#223382, Δ 2.479) — https://brandsweets.com/colors/deep-space-royal
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/182d8b

## Tints & shades

- Tints (toward white): #1d37aa, #213fc4, #2e4edc, #4864e0, #667ee5, #8597ea, #9faeef, #bec8f4, #d8def8, #f6f8fe
- Shades (toward black): #15297e, #132471, #122269, #101d5c, #0d194e, #0b1541, #091134, #070e2c, #050a1f, #030611

## Harmonies

- Complementary: #8c7618
- Analogous: #18678c, #3c188c
- Triadic: #8c182d, #2d8c18
- Split-complementary: #8c3c18, #678c18
- Tetradic: #8c1867, #8c7618, #188c3c

## Colors that go with #182d8b

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 #182d8b: softer than #000 and cool enough to feel like part of the same palette. Seen in: dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), CeraVe (https://brandsweets.com/colors/brands/cerave-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com). — https://brandsweets.com/colors/charcoal
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #182d8b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 5 real palettes, including Procter & Gamble's brand system and Alaska Airlines's brand system put Blue beside #182d8b, as the supporting colour. Seen in: Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Tesco (https://brandsweets.com/colors/brands/tesco-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #182d8b in 7 real palettes, including Casper Sleep's brand system and Pepsi's brand system, as the lead colour. Seen in: Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Pepsi (https://brandsweets.com/colors/brands/pepsi-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #182d8b: 11 real palettes, including Bank of America's brand system and Hasbro's brand system, as the accent. Seen in: Bank of America (https://brandsweets.com/colors/brands/bankofamerica-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), Panasonic (https://brandsweets.com/colors/brands/panasonic-com). — https://brandsweets.com/colors/denim
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #182d8b in 4 real palettes, including Tide's brand system and NASA's brand system, as the accent. Seen in: Tide (https://brandsweets.com/colors/brands/tide-com), NASA (https://brandsweets.com/colors/brands/nasa-gov), Intercom (https://brandsweets.com/colors/brands/intercom-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com). — https://brandsweets.com/colors/orangered
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #182d8b in 8 real palettes, including Discord's brand system and Nivea's brand system, as the lead colour. Seen in: Discord (https://brandsweets.com/colors/brands/discord), Nivea (https://brandsweets.com/colors/brands/nivea-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/royalblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #182d8b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/olive

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

- On white (#ffffff): 11.75:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.79:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #516be1 (4.54:1); AA: background → #a1a1a1 (4.55:1); AAA: text → #7c90e9 (7.02:1); AAA: background → #c9c9c9 (7.1:1)

## Brands using this color

- **Tide** — primary #1b3392 (Δ 1.962) — https://brandsweets.com/colors/brands/tide-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/182d8b-9c9fc4-df7e4e-231f2d-e9eef1?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: "#182d8b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.