Enchanted Well

#3994af

A cyan that is muted. It is light — black text sits on it comfortably, white text does not.

Hex

#3994af

RGB

57, 148, 175

OKLCh

62.4% 0.094 221.0°

CIELAB (D50)

56.8, -21.3, -22.6

What is true of this colour, and of no other

  • One other named colour sits within ΔE00 2 of it.
  • It uses 82% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 62.1; on black, Lc -39.6. 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 22.6 and 22.0 and 22.4 — no red cone.

Text on this colour

White text

3.48:1 — large text only

Black text

6.03:1 — passes AA

Black text is the better of the two at6.03:1. That is enough for body text.

As text on white, it needs to change

#20819b 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

#3994af

protanopia

#8d8daf · ΔE00 22.6

deuteranopia

#8282b0 · ΔE00 22.0

tritanopia

#7373ff · ΔE00 22.4

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBlue Moon at ΔE00 1.766: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.

  • Blue MoonΔE00 1.766 · #3992a8
  • Bondi BlueΔE00 2.409 · #0095b6
  • Sports BlueΔE00 2.435 · #399bb4
  • PelorusΔE00 2.496 · #2599b2
  • Butterfly BlueΔE00 2.509 · #2099bb
  • Serene BlueΔE00 2.687 · #1199bb
  • Kelp’thar Forest BlueΔE00 2.694 · #0092ae
  • SailfishΔE00 2.767 · #2e9cbb
  • Cool TideΔE00 2.817 · #0091b3
  • Cape PondΔE00 2.824 · #0092ad
  • Boston BlueΔE00 2.824 · #438eac
  • Alpine LakeΔE00 2.882 · #4598ab

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