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Recognised as Colour

#565AFF

  • #565AFF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#565AFF is a blue with RGB values 86, 90, 255 and HSL 239°, 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 Medium slateblue.

Colour values

#565AFF#565AFF
HEX#565AFF
RGBrgb(86, 90, 255)
RGB (0–1)0.3373, 0.3529, 1
RGB percentages33.7%, 35.3%, 100%
HSLhsl(238.6, 100%, 66.9%)
HSV / HSBhsv(238.6, 66.3%, 100%)
CMYK66.3%, 64.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,659,391
CSS custom property--colour: #565AFF;

Brightness & contrast

Relative luminance0.16511WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.88:1
Contrast with white4.88:1WCAG normal text: AA
Contrast with black4.3:1WCAG normal text: Fail
Greyscale equivalent#656565
Inverted#A9A500

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0079FFno red cones; affects about 1% of men; ΔE 27 from the original
Deuteranopia#0069FCno green cones; the most common form, about 1% of men; ΔE 16.5 from the original
Tritanopia#0085A5no blue cones; rare, and affects men and women equally; ΔE 87.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.88:1WCAG large text: AAA
Contrast with black, large text4.3:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 19Blue violet · ΔE 23.4Slate blue · ΔE 27.6Royal blue · ΔE 27.9Dark orchid · ΔE 28.2Medium blue · ΔE 30.8
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFFB56
Analogous#56AFFF, #A656FF
Triadic#FF565A, #5AFF56
Split complementary#FFA756, #AFFF56
Tetradic#FF56AF, #FFFB56, #56FFA7

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EFEFFF
Lighter +20%#BCBEFF
Lighter +10%#898CFF
Darker −10%#2328FF
Darker −20%#0006EF
Darker −30%#0004BC
Darker −40%#000389
More saturated +25%#565AFF
Less saturated −25%#6B6EEA

Channel breakdown

R86
G90
B255
Red86 (33.7%)
Green90 (35.3%)
Blue255 (100%)
Hue238.58°
Saturation (HSL)100%
Lightness66.86%
Dominant channelBlue
Hex per channelR 56 · G 5A · B FF

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Every value on this page was computed from “565aff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.