What are the hex codes in the Polar Cerulean & Lapis palette?

The Polar Cerulean & Lapis color palette consists of Sky Blue #81CDD0, Cerulean #1F7DAF, Lapis #30558B, Smoke #F1FAEE.

How should I use the Polar Cerulean & Lapis palette on a website?

Use Smoke #F1FAEE as the background, Lapis #30558B for text, Cerulean #1F7DAF for buttons and links, and Sky Blue #81CDD0 for accents. 1 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Lapis on Smoke at 7.02:1.

Which colors in Polar Cerulean & Lapis have enough contrast for text?

The highest-contrast pair is #30558B on #F1FAEE with a ratio of 7.02:1, which passes WCAG AA for normal text.

#81CDD0Sky Blue

#1F7DAFCerulean

#30558BLapis

#F1FAEESmoke

Polar Cerulean & Lapis color palette

Cold Blue White

Color codes click any value to copy

Name	HEX	RGB	HSL	OKLCH
Sky Blue	`#81CDD0`	`rgb(129, 205, 208)`	`hsl(182, 46%, 66%)`	`oklch(80.0% 0.075 199)`
Cerulean	`#1F7DAF`	`rgb(31, 125, 175)`	`hsl(201, 70%, 40%)`	`oklch(56.1% 0.113 238)`
Lapis	`#30558B`	`rgb(48, 85, 139)`	`hsl(216, 49%, 37%)`	`oklch(44.9% 0.099 258)`
Smoke	`#F1FAEE`	`rgb(241, 250, 238)`	`hsl(105, 55%, 96%)`	`oklch(97.5% 0.018 138)`

Why it works and how to use it

Polar Cerulean & Lapis is an analogous color palette tagged cold, blue, white. The hues stay within 34° of each other on the color wheel, which is why the palette feels cohesive rather than busy. Neither washed out nor loud, it adapts to most contexts. The overall temperature is cool.

The palette holds together thanks to its analogous hue relationship and a strong light-to-dark ladder (96% down to 37% lightness). A natural fit for websites, presentations and branding.

Background: Smoke (#F1FAEE) is the lightest color, so it belongs on large surfaces.
Text: Lapis (#30558B) on #F1FAEE gives 7.02:1, passing WCAG AAA.
Primary: Cerulean (#1F7DAF) is the most saturated mid-tone; use it for buttons and links (4.26:1 against the background, fine for UI elements).
Accent: Sky Blue (#81CDD0) for highlights, badges and hover states.

1 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Lapis on Smoke at 7.02:1.

Preview on a real UI see how the palette feels in context

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Design faster with Polar Cerulean & Lapis

A palette preview that turns four colors into a page, so you can judge hierarchy, contrast and mood before you commit.

Primary action Secondary

Card title

Roles are assigned by lightness.

Color blindness simulation

#81CDD0

#1F7DAF

#30558B

#F1FAEE

Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.

Palette card

Contrast check WCAG ratios between palette colors

Pair	Sample	Ratio	Level
`#30558B` on `#F1FAEE`	Aa	7.02:1	AAA
`#1F7DAF` on `#F1FAEE`	Aa	4.26:1	AA large only
`#81CDD0` on `#30558B`	Aa	4.14:1	AA large only
`#81CDD0` on `#1F7DAF`	Aa	2.51:1	Fail
`#81CDD0` on `#F1FAEE`	Aa	1.7:1	Fail
`#1F7DAF` on `#30558B`	Aa	1.65:1	Fail

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