# #1370aa

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

## Values

- Hex: `#1370aa`
- RGB: rgb(19, 112, 170)
- HSL: hsl(203, 80%, 37%)
- OKLCH: oklch(0.524 0.121 243.4)
- Relative luminance: 0.1463
- Nearest named color: Brilliant Blue (#0075b3, Δ 1.775) — https://brandsweets.com/colors/brilliant-blue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/1370aa

## Tints & shades

- Tints (toward white): #1682c5, #1994e1, #30a2e8, #4caeeb, #6cbdef, #88c9f2, #a3d6f5, #bfe2f8, #daeefb, #f6fbfe
- Shades (toward black): #11679c, #0f5b8a, #0e527c, #0c496e, #0b4060, #09334e, #072a40, #062132, #041520, #020c12

## Harmonies

- Complementary: #aa4d13
- Analogous: #13aa98, #1324aa
- Triadic: #aa1370, #70aa13
- Split-complementary: #aa1324, #aa9813
- Tetradic: #9813aa, #aa4d13, #24aa13

## Colors that go with #1370aa

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 #1370aa: softer than #000 and cool enough to feel like part of the same palette. Seen in: Amazon (https://brandsweets.com/colors/brands/amazon-com), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #1370aa on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Dyson (https://brandsweets.com/colors/brands/dyson-com). — https://brandsweets.com/colors/sienna
- **Amber** #ffbf00 [pool] — Amber is paired with #1370aa in 8 real palettes, including Lemon Squeezy's brand system and McDonald's's brand system, as the lead colour. Seen in: Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wired (https://brandsweets.com/colors/brands/wired-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 9 real palettes, including Activision's brand system and Pixar's brand system put Blue beside #1370aa, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #1370aa: 9 real palettes, including Glacier and General Mills's brand system, as the accent. Seen in: Glacier (https://brandsweets.com/palettes/cool#glacier), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #1370aa: 4 real palettes, including Coca-Cola's brand system and NBA's brand system, as the supporting colour. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), NBA (https://brandsweets.com/colors/brands/nba-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #1370aa in 16 real palettes, including McDonald's's brand system and Wendy's's brand system, as the supporting colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #1370aa: 5 real palettes, including Deep Water and Venmo's brand system, as the lead colour. Seen in: Deep Water (https://brandsweets.com/palettes/dark#deep-water), Venmo (https://brandsweets.com/colors/brands/venmo-com), Astro (https://brandsweets.com/colors/brands/astro-build), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 5.35:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #0f5b8a (7.28:1)
- On black (#000000): 3.93:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #157cbc (4.64:1); AA: background → #ededed (4.57:1); AAA: text → #279ee7 (7.13:1)

## Brands using this color

- **Discover** — secondary #1e71ac (Δ 0.673) — https://brandsweets.com/colors/brands/discover-com
- **Linkedin** — primary #0073b1 (Δ 1.245) — https://brandsweets.com/colors/brands/linkedin-com
- **AT&T** — secondary #0072b2 (Δ 1.282) — https://brandsweets.com/colors/brands/att-com
- **Lemon Squeezy** — accent #0075ad (Δ 1.406) — https://brandsweets.com/colors/brands/lemonsqueezy-com
- **Capital One** — accent #0276b1 (Δ 1.822) — https://brandsweets.com/colors/brands/capitalone-com
- **McDonald's** — accent #006bae (Δ 1.84) — https://brandsweets.com/colors/brands/mcdonalds-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/1370aa-9cb0c4-df4e5d-1f222d-e9f1f0?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: "#1370aa" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.