Colour

#5565AA

#5565AA
Blue
Dark
Nearest: Dark slateblue

#5565AA is a blue with RGB values 85, 101, 170 and HSL 229°, 33%, 50%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#5565AA#5565AA

HEX#5565AA

RGBrgb(85, 101, 170)

RGB (0–1)0.3333, 0.3961, 0.6667

RGB percentages33.3%, 39.6%, 66.7%

HSLhsl(228.7, 33.3%, 50%)

HSV / HSBhsv(228.7, 50%, 66.7%)

CMYK50%, 40.6%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,596,586

CSS custom property--colour: #5565AA;

Brightness & contrast

Relative luminance0.14141WCAG 2.x, 0 is black and 1 is white

Perceived brightness107 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.49:1

Contrast with white5.49:1WCAG normal text: AA

Contrast with black3.83:1WCAG normal text: Fail

Greyscale equivalent#676767

Inverted#AA9A55

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4A6DADno red cones; affects about 1% of men; ΔE 6.8 from the original

Deuteranopia#4266A8no green cones; the most common form, about 1% of men; ΔE 5.6 from the original

Tritanopia#32747Fno blue cones; rare, and affects men and women equally; ΔE 40.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text5.49:1WCAG large text: AAA

Contrast with black, large text3.83:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 18.7 Steel blue · ΔE 20.5 Cornflower blue · ΔE 20.8 Medium purple · ΔE 27.8 Dodgerblue · ΔE 28.9 Slate blue · ΔE 29.3

Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.72, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AA9A55

Analogous#558FAA, #7055AA

Triadic#AA5565, #65AA55

Split complementary#AA6F55, #90AA55

Tetradic#AA558F, #AA9A55, #55AA6F

Tints, shades & saturation

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

Lighter +40%#DDE0EE

Lighter +30%#BBC1DD

Lighter +20%#99A3CC

Lighter +10%#7784BB

Darker −10%#445188

Darker −20%#333D66

Darker −30%#222844

Darker −40%#111422

More saturated +25%#3551CA

Less saturated −25%#75798A

Channel breakdown

R85

G101

B170

Red85 (33.3%)

Green101 (39.6%)

Blue170 (66.7%)

Hue228.71°

Saturation (HSL)33.33%

Lightness50%

Dominant channelBlue

Hex per channelR 55 · G 65 · B AA

Keep nerding

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#5565AA

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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