# #1688ca

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

## Values

- Hex: `#1688ca`
- RGB: rgb(22, 136, 202)
- HSL: hsl(202, 80%, 44%)
- OKLCH: oklch(0.601 0.136 242)
- Relative luminance: 0.2204
- Nearest named color: steelblue (#4682b4, Δ 3.984) — https://brandsweets.com/colors/steelblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/1688ca

## Tints & shades

- Tints (toward white): #1998e1, #30a5e8, #47afeb, #63bbee, #7ac5f0, #91cff3, #acdbf6, #c3e5f8, #dff1fb, #f6fbfe
- Shades (toward black): #147cb8, #126fa5, #106393, #0e5781, #0c4a6e, #0a3e5c, #083249, #062537, #041925, #020c12

## Harmonies

- Complementary: #ca5816
- Analogous: #16cab2, #162eca
- Triadic: #ca1688, #88ca16
- Split-complementary: #ca162e, #cab216
- Tetradic: #b216ca, #ca5816, #2eca16

## Colors that go with #1688ca

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 #1688ca: 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), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #1688ca: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: NASCAR (https://brandsweets.com/colors/brands/nascar-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #1688ca 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). — https://brandsweets.com/colors/copper
- **Amber** #ffbf00 [pool] — Amber is paired with #1688ca in 10 real palettes, including Wired's brand system and Beach Hut, as the accent. Seen in: Wired (https://brandsweets.com/colors/brands/wired-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 11 real palettes, including Readymag's brand system and Qualcomm's brand system put Blue beside #1688ca, as the supporting colour. Seen in: Readymag (https://brandsweets.com/colors/brands/readymag-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Unity (https://brandsweets.com/colors/brands/unity-com), BBC (https://brandsweets.com/colors/brands/bbc-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #1688ca: 10 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #1688ca: 8 real palettes, including Telegram's brand system and Astro's brand system, as the lead colour. Seen in: Telegram (https://brandsweets.com/colors/brands/telegram-org), Astro (https://brandsweets.com/colors/brands/astro-build), Patreon (https://brandsweets.com/colors/brands/patreon-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #1688ca: 18 real palettes, including Gopro's brand system and American Express's brand system, as the lead colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), American Express (https://brandsweets.com/colors/brands/americanexpress-com), Xbox (https://brandsweets.com/colors/brands/xbox-com), Motorola (https://brandsweets.com/colors/brands/motorola-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 3.88:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #147cb8 (4.56:1); AA: background → #171717 (4.62:1); AAA: text → #0f5d8a (7.11:1)
- On black (#000000): 5.41:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1e9de6 (7.02:1)

## Brands using this color

- **Telegram** — accent #0088cc (Δ 0.503) — https://brandsweets.com/colors/brands/telegram-org

## 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/1688ca-9cb1c4-df4e5f-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: "#1688ca" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.