CSS Named Color Reference

Sky Blue Color Code

Sky Blue·#87CEEB

Blue FamilyCoolMid toneHigh saturationoklch(81.5% 0.082 226)
HEX
#87CEEBPrimary token
RGB
rgb(135, 206, 235)Screen values
HSL
hsl(197 71% 73%)Hue and lightness
CMYK
43, 12, 0, 8Print handoff
LAB
79, -15, -21Perceptual reference
OKLCH
oklch(81.5% 0.082 226)Modern perceptual

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.

Best text colorDark text
Body text contrast9.85:1
Best UseSoft panels, onboarding surfaces, and low-pressure highlights

Tonal Scale

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

Contrast Checks

White text on this color

Buttons, badges, and filled actions.

1.74:1Needs more separation

Dark text on this color

Large headings and selective UI.

9.85:1AAA-level contrast

This color on light surface

Links, borders, and icons on light UI.

1.65:1Needs more separation
Best text colorDark textContrast 9.85:1

Professional Reference

OKLCHoklch(81.5% 0.082 226)
Relative Luminance0.5529
Source TypeCSS Named Color
Classification
Blue FamilyCoolMid toneHigh saturation
Source Context
Source Type
CSS Named Color
System
CSS
Closest Matches
Material Light Blue 200Material Light Blue A100Tailwind Sky 300

Accessibility Matrix

White text on this color

White text placed on the current color.

1.74:1Needs more separation

Dark text on this color

Dark text or headings on the current color.

9.85:1AAA

This color on light surface

Use this color for links, strokes, or icons on light UI.

1.65:1Needs more separation

This color on dark surface

Use this color inside dark shells for strokes, tags, or icons.

9.85:1AAA
Best text colorDark textContrast 9.85:1 · AAA

Where It Works

  • Empty states, soft panels, onboarding, and education UI.
  • Good for supportive surfaces, not primary actions.
  • Pairs with white, cool gray, and deeper accent blues.

Reference Notes

Last Updated
2026-06-25
Source Library
CSS Standard Colors
Methodology
Verified source values + site guidance
Color Notes

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

Hue Family

Trust-building blues for enterprise and SaaS.

Source Collections
CSS Named Colors

Related Colors

Palette Starting Points

Implementation Snippets

CSS Variables
:root {
  --color-sky-blue: #87CEEB;
  --color-sky-blue-rgb: 135 206 235;
}
Utility Class
class="bg-[#87CEEB] text-white"
class="hover:bg-[#6194A9] ring-1 ring-[#87CEEB]"
JSON Token
{
  "skyBlue": "#87CEEB",
  "skyBlueRgb": [135, 206, 235],
  "skyBlueHsl": [197, 71, 73]
}