Tempered Cerulean Hollow color palette — #EFF8F1 · #A2D5E4 · #00899D · #005341 · #000F17

Built around Cerulean, softened by Forest — the whole palette hums with trust and stability.

The five colors

• Ivory (#EFF8F1): a clean, paper-quiet neutral.
• Powder Blue (#A2D5E4): A whisper-light, dusty blue — the color of deep harbor water.
• Cerulean (#00899D): A full-bodied, balanced blue — the color of deep harbor water.
• Forest (#005341): A deep, shadowed, dusty teal — the color of shallow lagoons.
• Ink (#000F17): A deep, shadowed, dusty blue — the color of open sky before noon.

Feels like: Trust, Stability, Calm, Sophistication. Tagged coastal, cool, light, muted.

Use it as a design system

One click turns Tempered Cerulean Hollow 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

• Petrol Dune color palette (#E7F1E9, #89C1D2, #00709B, #003E3D, #000308)
• Muted Cobalt color palette (#EEF8F0, #B0D0ED, #4979C8, #004F61, #070035)
• Azure Meadow color palette (#EFF8F0, #CEE1FF, #009FD1, #006A65, #002038)
• Scarlet Atelier color palette (#D5F4FF, #00A6AE, #D03E47, #00595D, #170001)
• Powder Courtyard color palette (#E9F8FF, #AEE2FF, #8BB0FF, #008376, #00141C)
• Teal Field color palette (#DAF6E9, #00A992, #007272, #00363C, #00151D)
• Pale Byzantium color palette (#BBEAFD, #008A99, #A42FA3, #6A5100, #000203)
• Pale Pine Dune color palette (#F2E9F2, #8BCECF, #00A0CD, #00833B, #001E43)

Browse the whole catalog at Explore, or see today's palette.