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Recognised as Colour

#661FDB

  • #661FDB
  • Violet
  • Dark
  • Nearest: Blue violet

#661FDB is a violet with RGB values 102, 31, 219 and HSL 263°, 75%, 49%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Blue violet.

Colour values

#661FDB#661FDB
HEX#661FDB
RGBrgb(102, 31, 219)
RGB (0–1)0.4, 0.1216, 0.8588
RGB percentages40%, 12.2%, 85.9%
HSLhsl(262.7, 75.2%, 49%)
HSV / HSBhsv(262.7, 85.8%, 85.9%)
CMYK53.4%, 85.8%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,692,827
CSS custom property--colour: #661FDB;

Brightness & contrast

Relative luminance0.08919WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.54:1
Contrast with white7.54:1WCAG normal text: AAA
Contrast with black2.78:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#99E024

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0057E0no red cones; affects about 1% of men; ΔE 35.7 from the original
Deuteranopia#0050D8no green cones; the most common form, about 1% of men; ΔE 34.1 from the original
Tritanopia#385C83no blue cones; rare, and affects men and women equally; ΔE 88.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.54:1WCAG large text: AAA
Contrast with black, large text2.78:1WCAG large text: Fail

Named colours

Blue violet · ΔE 9.4Dark violet · ΔE 14.5Medium blue · ΔE 14.9Dark orchid · ΔE 22.7Blue · ΔE 29.1Dark blue · ΔE 30.1
Nearest named CSS colourBlue violet (#8A2BE2)ΔE 9.43, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#94DB1F
Analogous#1F36DB, #C41FDB
Triadic#DB661F, #1FDB66
Split complementary#DBC41F, #36DB1F
Tetradic#DB1F36, #94DB1F, #1FDBC4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DECEF8
Lighter +30%#C0A1F2
Lighter +20%#A175EB
Lighter +10%#8348E5
Darker −10%#5119AE
Darker −20%#3C1282
Darker −30%#280C55
Darker −40%#130628
More saturated +25%#5E00FA
Less saturated −25%#6E3EBC

Channel breakdown

R102
G31
B219
Red102 (40%)
Green31 (12.2%)
Blue219 (85.9%)
Hue262.66°
Saturation (HSL)75.2%
Lightness49.02%
Dominant channelBlue
Hex per channelR 66 · G 1F · B DB

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Every value on this page was computed from “661fdb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.