Aged Cerulean Lagoon color palette — #C9E5F0 · #009CC9 · #4466A3 · #003F38 · #000203
A conversation between Cerulean and Slate, giving this palette its sense of trust and stability.
The five colors
- Frost (#C9E5F0): A whisper-light, dusty blue — the color of deep harbor water.
- Cerulean (#009CC9): A luminous, balanced blue — the color of deep harbor water.
- Slate (#4466A3): A full-bodied, balanced violet — the color of wild irises.
- Forest (#003F38): A deep, shadowed, dusty teal — the color of sea glass.
- Black (#000203): quiet, heavy and certain.
Feels like: Trust, Stability, Calm, Sophistication. Tagged pastel, light, muted, cool.
Use it as a design system
One click turns Aged Cerulean Lagoon into a complete token system: semantic roles from primary to success, an 11-stop OKLCH scale per role, a WCAG AA/AAA and APCA contrast matrix, an auto-derived dark mode and 11 export formats including CSS custom properties, Tailwind, Figma Variables and shadcn/ui.
Similar palettes
- Feathered Lapis Boulevard color palette (#D3EEFF, #558BD6, #6B53B9, #003943, #000205)
- Lagoon Balcony color palette (#CCECE1, #00A3A5, #006C89, #004012, #000302)
- Ultramarine Lantern color palette (#D8F5DA, #56A9D3, #4B5EB6, #003B21, #000F14)
- Cobalt Lagoon color palette (#D0E8D5, #3DAACC, #3289BF, #005E5D, #001216)
- Softworn Sky color palette (#D3EDF1, #4ABFFF, #9379D1, #1B5A26, #000102)
- Misty Lilac color palette (#D3E7FA, #99ACEC, #9D75CC, #005066, #010827)
- Inked Aubergine Workshop color palette (#E3EEFA, #0058A2, #420056, #001E3E, #010008)
- Patina Petrol color palette (#E7F4FF, #C4DCFF, #B4AADC, #24737F, #132535)
Browse the whole catalog at Explore, or see today's palette.