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Colour

#7F66FF

  • #7F66FF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#7F66FF is a blue with RGB values 127, 102, 255 and HSL 250°, 100%, 70%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#7F66FF#7F66FF
HEX#7F66FF
RGBrgb(127, 102, 255)
RGB (0–1)0.498, 0.4, 1
RGB percentages49.8%, 40%, 100%
HSLhsl(249.8, 100%, 70%)
HSV / HSBhsv(249.8, 60%, 100%)
CMYK50.2%, 60%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,349,439
CSS custom property--colour: #7F66FF;

Brightness & contrast

Relative luminance0.21235WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.25:1
Contrast with white4:1WCAG normal text: Fail
Contrast with black5.25:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#809900

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0083FFno red cones; affects about 1% of men; ΔE 31.3 from the original
Deuteranopia#007AFCno green cones; the most common form, about 1% of men; ΔE 26.5 from the original
Tritanopia#4F8AA9no blue cones; rare, and affects men and women equally; ΔE 77.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4:1WCAG large text: AA
Contrast with black, large text5.25:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 10.4Slate blue · ΔE 20.9Royal blue · ΔE 23.6Dark orchid · ΔE 23.8Blue violet · ΔE 24.6Medium purple · ΔE 25.6
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 10.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E6FF66
Analogous#669AFF, #CB66FF
Triadic#FF7F66, #66FF7F
Split complementary#FFCC66, #99FF66
Tetradic#FF669A, #E6FF66, #66FFCB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#D4CCFF
Lighter +10%#AA99FF
Darker −10%#5433FF
Darker −20%#2A00FF
Darker −30%#2100CC
Darker −40%#190099
More saturated +25%#7F66FF
Less saturated −25%#8C79EC

Channel breakdown

R127
G102
B255
Red127 (49.8%)
Green102 (40%)
Blue255 (100%)
Hue249.8°
Saturation (HSL)100%
Lightness70%
Dominant channelBlue
Hex per channelR 7F · G 66 · B FF

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Every value on this page was computed from “7f66ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.