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Recognised as Colour

#661BEF

  • #661BEF
  • Violet
  • Dark
  • Nearest: Medium blue

#661BEF is a violet with RGB values 102, 27, 239 and HSL 261°, 87%, 52%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#661BEF#661BEF
HEX#661BEF
RGBrgb(102, 27, 239)
RGB (0–1)0.4, 0.1059, 0.9373
RGB percentages40%, 10.6%, 93.7%
HSLhsl(261.2, 86.9%, 52.2%)
HSV / HSBhsv(261.2, 88.7%, 93.7%)
CMYK57.3%, 88.7%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,691,823
CSS custom property--colour: #661BEF;

Brightness & contrast

Relative luminance0.09841WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.08:1
Contrast with white7.08:1WCAG normal text: AAA
Contrast with black2.97:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#99E410

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005DF4no red cones; affects about 1% of men; ΔE 38.5 from the original
Deuteranopia#0053ECno green cones; the most common form, about 1% of men; ΔE 34.7 from the original
Tritanopia#1C648Eno blue cones; rare, and affects men and women equally; ΔE 100.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.08:1WCAG large text: AAA
Contrast with black, large text2.97:1WCAG large text: Fail

Named colours

Medium blue · ΔE 14.2Blue violet · ΔE 16.3Blue · ΔE 19.5Dark violet · ΔE 19.9Dark orchid · ΔE 31.5Dark blue · ΔE 38.8
Nearest named CSS colourMedium blue (#0000CD)ΔE 14.2, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A4EF1B
Analogous#1B3AEF, #D01BEF
Triadic#EF661B, #1BEF66
Split complementary#EFD01B, #3AEF1B
Tetradic#EF1B3A, #A4EF1B, #1BEFD0

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6DAFC
Lighter +30%#C6AAF9
Lighter +20%#A67AF6
Lighter +10%#864BF2
Darker −10%#500EC9
Darker −20%#3D0B99
Darker −30%#2A076A
Darker −40%#17043A
More saturated +25%#610BFF
Less saturated −25%#6F3AD1

Channel breakdown

R102
G27
B239
Red102 (40%)
Green27 (10.6%)
Blue239 (93.7%)
Hue261.23°
Saturation (HSL)86.89%
Lightness52.16%
Dominant channelBlue
Hex per channelR 66 · G 1B · B EF

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