Matt Purple

#9370db

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

Hex

#9370db

RGB

147, 112, 219

OKLCh

62.7% 0.158 296.7°

CIELAB (D50)

54.5, 31.7, -50.6

What is true of this colour, and of no other

  • One other named colour sits within ΔE00 2 of it.
  • It uses 69% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 65.0; on black, Lc -36.7. 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 8.1 and 7.7 and 15.9 — no red cone.

Text on this colour

White text

3.76:1 — large text only

Black text

5.58:1 — passes AA

Black text is the better of the two at5.58:1. That is enough for body text.

As text on white, it needs to change

#8663cc 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

#9370db

protanopia

#7575db · ΔE00 8.1

deuteranopia

#7c7cdb · ΔE00 7.7

tritanopia

#838399 · ΔE00 15.9

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isIridescent Purple at ΔE00 1.482: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.

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