CSS Named Color Reference

Sky Blue

Sky Blue·#87CEEB

Sky Blue is a light CSS named blue at #87CEEB that feels more open, airy, and forgiving than Steel Blue, Royal Blue, or Dodger Blue. Use it when you want a softer interface blue for backgrounds, informational panels, onboarding surfaces, and light data accents.

Recommended text colorDark text
Body text pairing9.85:1
Strongest RoleSoft panels, onboarding surfaces, and low-pressure highlights

Technical Values

Exact numeric values for cross-tool conversion, token mapping, and accessibility review.

HEX#87CEEBPrimary token
RGB135, 206, 235Screen values
HSL197, 71%, 73%Hue and lightness
CMYK43, 12, 0, 8Print handoff
LAB79, -15, -21Perceptual reference

Tonal Direction

Scan the ramp from light to dark to judge how Sky Blue behaves across action states, layered surfaces, and supporting accents.

100#E9F6FB
300#C8E8F6
500#9DD7EF
600#87CEEB
800#6194A9

Contrast & Interface Preview

Not every foreground and background pairing behaves the same. Use these checks to decide when white text, dark text, or the color itself should take the lead.

White text on this color

Best for reversed buttons, tabs, badges, and filled action surfaces.

1.74:1Needs more separation

Dark text on this color

Works for larger headings and selective UI blocks, but not for dense body copy.

9.85:1AAA-level contrast

This color on light surface

Use this pairing when Sky Blue becomes the link, icon, border, or emphasis color on very light surfaces.

1.65:1Needs more separation
Recommended text colorDark text

Dark text reaches 9.85:1 against Sky Blue, which is strong enough for body text and standard action surfaces.

Where This Color Works

  • Use Sky Blue when you need a friendlier blue for empty states, soft panels, educational UI, onboarding layers, and low-pressure product highlights.
  • It is brighter and more spacious than Steel Blue, but less assertive than Dodger Blue, which makes it useful for supportive surfaces rather than primary action roles.
  • Pair it with white, cool gray neutrals, and slightly darker accent blues if you want a light system with separation, softness, and enough structure for product work.

Reference Context

Color Notes

Sky Blue is sourced from the published CSS Standard Colors library and retained here as a searchable reference swatch for product, interface, and branding work.

Hue Family

Trust-building blues for enterprise and SaaS.

Source Library
CSS Named Colors

Related Blues

Palette Starting Points

Implementation Snippets

Reference-ready snippets for CSS variables, utility-first styling, and token exports.

CSS Variables
:root {
  --color-sky-blue: #87CEEB;
  --color-sky-blue-rgb: 135 206 235;
}

Drop into a global token file or CSS variable layer.

Utility Class
class="bg-[#87CEEB] text-white"
class="hover:bg-[#6194A9] ring-1 ring-[#87CEEB]"

Direct utility usage for a fast prototype or content block.

JSON Token
{
  "skyBlue": "#87CEEB",
  "skyBlueRgb": [135, 206, 235],
  "skyBlueHsl": [197, 71, 73]
}

Useful for design token exports and API-driven theme objects.

Move This Color Into the Workflow

Carry Sky Blue into conversion, brand palette generation, and palette exploration workflows to test how it behaves across interface scenarios.