Oh Boy!

#bbdaf8

A blue that is nearly neutral — the hue shows only against a true grey. It is very light — it works as a page background, not as text.

Hex

#bbdaf8

RGB

187, 218, 248

OKLCh

87.5% 0.053 247.6°

CIELAB (D50)

85.5, -5.7, -18.3

What is true of this colour, and of no other

  • 4 other named colours sit within ΔE00 2 of it.
  • It uses 83% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 21.4; on black, Lc -81.9. The sign is the polarity, which the WCAG ratio discards.
  • Built into an eleven-step scale, 10 of the 10 adjacent pairs stay ΔE00 2 apart — see the ramp.
  • protanopia and deuteranopia and tritanopia shift it by ΔE00 12.2 and 12.1 and 11.5 — no red cone.

Text on this colour

White text

1.45:1 — fails AA

Black text

14.50:1 — passes AA

Black text is the better of the two at14.50:1. That is enough for body text.

As text on white, it needs to change

#5d7a95 is the nearest colour of the same hue that passes AA on white, at 4.50:1. Only the lightness moved.

Try it against your own background

The same colour, with one cone missing

As you see it

#bbdaf8

protanopia

#d7d7f8 · ΔE00 12.2

deuteranopia

#d2d2f9 · ΔE00 12.1

tritanopia

#cbcbff · ΔE00 11.5

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBroad Daylight at ΔE00 1.289: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.

  • Broad DaylightΔE00 1.289 · #bbddff
  • Dithered SkyΔE00 1.42 · #bcdfff
  • Summer BirthdayΔE00 1.812 · #bbd5ef
  • Delicate Blue MistΔE00 1.934 · #bed7f0
  • Blue RiceΔE00 2.784 · #b3d9f3
  • Mr. GlassΔE00 2.983 · #c0d5ef
  • Modern BlueΔE00 3.047 · #bad1e9
  • Light Water WashΔE00 3.101 · #bfd5eb
  • First RainΔE00 3.186 · #bdd8ec
  • Light Powder BlueΔE00 3.202 · #c4d9ef
  • Light TemplateΔE00 3.276 · #bbd6ea
  • Arctic ParadiseΔE00 3.3 · #b8dff8

11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.