Colour

#6655FF

#6655FF
Blue
Dark
Nearest: Blue violet

#6655FF is a blue with RGB values 102, 85, 255 and HSL 246°, 100%, 67%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Blue violet.

Colour values

#6655FF#6655FF

HEX#6655FF

HEX (short)#65F

RGBrgb(102, 85, 255)

RGB (0–1)0.4, 0.3333, 1

RGB percentages40%, 33.3%, 100%

HSLhsl(246, 100%, 66.7%)

HSV / HSBhsv(246, 66.7%, 100%)

CMYK60%, 66.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,706,687

CSS custom property--colour: #6655FF;

Brightness & contrast

Relative luminance0.16542WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.87:1

Contrast with white4.87:1WCAG normal text: AA

Contrast with black4.31:1WCAG normal text: Fail

Greyscale equivalent#656565

Inverted#99AA00

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0077FFno red cones; affects about 1% of men; ΔE 30.2 from the original

Deuteranopia#006BFCno green cones; the most common form, about 1% of men; ΔE 22.7 from the original

Tritanopia#0082A3no blue cones; rare, and affects men and women equally; ΔE 90.7 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text4.87:1WCAG large text: AAA

Contrast with black, large text4.31:1WCAG large text: AA

Named colours

Blue violet · ΔE 19 Medium slateblue · ΔE 21.3 Dark orchid · ΔE 25.5 Dark violet · ΔE 27.1 Medium blue · ΔE 28.2 Slate blue · ΔE 30

Nearest named CSS colourBlue violet (#8A2BE2)ΔE 18.97, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#EEFF55

Analogous#5599FF, #BB55FF

Triadic#FF6655, #55FF66

Split complementary#FFBB55, #99FF55

Tetradic#FF5599, #EEFF55, #55FFBB

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#F0EEFF

Lighter +20%#C2BBFF

Lighter +10%#9488FF

Darker −10%#3822FF

Darker −20%#1800EE

Darker −30%#1300BB

Darker −40%#0E0088

More saturated +25%#6655FF

Less saturated −25%#776AEA

Channel breakdown

R102

G85

B255

Red102 (40%)

Green85 (33.3%)

Blue255 (100%)

Hue246°

Saturation (HSL)100%

Lightness66.67%

Dominant channelBlue

Hex per channelR 66 · G 55 · B FF

Keep nerding

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#6655FF

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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