# #1da1bf

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

## Values

- Hex: `#1da1bf`
- RGB: rgb(29, 161, 191)
- HSL: hsl(191, 74%, 43%)
- OKLCH: oklch(0.657 0.113 218.3)
- Relative luminance: 0.2951
- Nearest named color: Blue Ocean (#009dc4, Δ 1.706) — https://brandsweets.com/colors/blue-ocean
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/1da1bf

## Tints & shades

- Tints (toward white): #20b8d9, #33c1e1, #4ec9e4, #64d0e8, #7ed8ec, #95deef, #afe7f3, #c5edf6, #e0f6fa, #f6fcfe
- Shades (toward black): #1a92ad, #17839b, #15748a, #126578, #105a6a, #0d4b59, #0b3c47, #082d35, #051e23, #030f12

## Harmonies

- Complementary: #bf3a1d
- Analogous: #1dbf8b, #1d50bf
- Triadic: #bf1da1, #a1bf1d
- Split-complementary: #bf1d50, #bf8b1d
- Tetradic: #8b1dbf, #bf3a1d, #50bf1d

## Colors that go with #1da1bf

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 #1da1bf: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Orange Red** #ff4500 [harmony, pool: complementary] — Orange Red sits directly opposite #1da1bf on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), Cursor (https://brandsweets.com/colors/brands/cursor-com), Substack (https://brandsweets.com/colors/brands/substack-com), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/orangered
- **Amber** #ffbf00 [pool] — Amber is paired with #1da1bf in 6 real palettes, including Beach Hut and Salesforce's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 5 real palettes, including Canva's brand system and Unity's brand system put Blue beside #1da1bf, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Unity (https://brandsweets.com/colors/brands/unity-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #1da1bf in 5 real palettes, including Diner and Riot Games's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #1da1bf: 5 real palettes, including Snowflake AI Data Cloud's brand system and Telegram's brand system, as the supporting colour. Seen in: Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com), Telegram (https://brandsweets.com/colors/brands/telegram-org), Remix (https://brandsweets.com/colors/brands/remix-run), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #1da1bf: 8 real palettes, including Gopro's brand system and Coca-Cola's brand system, as the lead colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/denim
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #1da1bf in 4 real palettes, including Olympics's brand system and Terminal, as the accent. Seen in: Olympics (https://brandsweets.com/colors/brands/olympics-com), Terminal (https://brandsweets.com/palettes/technical#terminal), Unity (https://brandsweets.com/colors/brands/unity-com), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org). — https://brandsweets.com/colors/mediumseagreen

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

- On white (#ffffff): 3.04:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #177f97 (4.65:1); AA: background → #2b2b2b (4.65:1); AAA: text → #116173 (7.04:1)
- On black (#000000): 6.9:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1da5c3 (7.22:1)

## Brands using this color

- **SoFi** — secondary #00a2c7 (Δ 1.2) — https://brandsweets.com/colors/brands/sofi-com

## Curated palettes containing it

- **Lido** (summer, vivid, light, playful) — #00a6c7, #ff6b6b, #ffd166, #ffffff, #12303a — Pool blue, watermelon and sun on white — the poolside summer set; the deep teal text keeps it from going juvenile. — tool: https://brandsweets.com/palettes/new/00a6c7-ff6b6b-ffd166-ffffff-12303a — collection: https://brandsweets.com/palettes/summer

## 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/1da1bf-a2b6be-df4e7a-1f252d-e9f1ef?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: "#1da1bf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.