# #137dbe

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

## Values

- Hex: `#137dbe`
- RGB: rgb(19, 125, 190)
- HSL: hsl(203, 82%, 41%)
- OKLCH: oklch(0.567 0.133 243.5)
- Relative luminance: 0.1852
- Nearest named color: Haddock’s Sweater (#277aba, Δ 1.09) — https://brandsweets.com/colors/haddocks-sweater
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/137dbe

## Tints & shades

- Tints (toward white): #168fda, #209ce9, #3ca8ec, #58b5ee, #74c1f1, #8bcbf4, #a7d8f6, #c3e4f9, #daeffb, #f6fbfe
- Shades (toward black): #1170ac, #10679e, #0e5b8b, #0c4f79, #0b466b, #093a58, #072e46, #052133, #041825, #020c13

## Harmonies

- Complementary: #be5513
- Analogous: #13beaa, #1327be
- Triadic: #be137d, #7dbe13
- Split-complementary: #be1327, #beaa13
- Tetradic: #aa13be, #be5513, #27be13

## Colors that go with #137dbe

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 #137dbe: softer than #000 and cool enough to feel like part of the same palette. Seen in: Auth0 (https://brandsweets.com/colors/brands/auth0-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Disney (https://brandsweets.com/colors/brands/disney-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #137dbe on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Notion (https://brandsweets.com/colors/brands/notion), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/copper
- **Amber** #ffbf00 [pool] — Amber is paired with #137dbe in 10 real palettes, including Wired's brand system and Lemon Squeezy's brand system, as the accent. Seen in: Wired (https://brandsweets.com/colors/brands/wired-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 12 real palettes, including Activision's brand system and Readymag's brand system put Blue beside #137dbe, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #137dbe: 4 real palettes, including Alpine and Open House, as the supporting colour. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk), Arctic (https://brandsweets.com/palettes/clean#arctic). — https://brandsweets.com/colors/cadetblue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #137dbe: 9 real palettes, including Hershey's's brand system and Glacier, as the supporting colour. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Glacier (https://brandsweets.com/palettes/cool#glacier), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #137dbe in 15 real palettes, including NASCAR's brand system and State Farm's brand system, as the supporting colour. Seen in: NASCAR (https://brandsweets.com/colors/brands/nascar-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #137dbe: 8 real palettes, including Deep Water and Astro's brand system, as the lead colour. Seen in: Deep Water (https://brandsweets.com/palettes/dark#deep-water), Astro (https://brandsweets.com/colors/brands/astro-build), Telegram (https://brandsweets.com/colors/brands/telegram-org), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 4.46:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #127aba (4.65:1); AA: background → #050505 (4.57:1); AAA: text → #0e5b8b (7.27:1)
- On black (#000000): 4.7:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #259ee9 (7.15:1)

## Brands using this color

- **Wired** — primary #057dbc (Δ 0.469) — https://brandsweets.com/colors/brands/wired-com
- **Hershey's** — accent #007bbd (Δ 0.783) — https://brandsweets.com/colors/brands/hersheys-com
- **NASCAR** — accent #007ac2 (Δ 1.267) — https://brandsweets.com/colors/brands/nascar-com
- **FedEx** — accent #007ab7 (Δ 1.436) — https://brandsweets.com/colors/brands/fedex-com
- **Olympics** — primary #0081c8 (Δ 1.701) — https://brandsweets.com/colors/brands/olympics-com
- **Honda** — accent #337ab7 (Δ 1.765) — https://brandsweets.com/colors/brands/honda-com
- **Dollar General** — accent #2a77bd (Δ 1.768) — https://brandsweets.com/colors/brands/dollargeneral-com
- **American Express** — primary #2e77bc (Δ 1.852) — https://brandsweets.com/colors/brands/americanexpress-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/137dbe-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: "#137dbe" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.