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Recognised as Colour

#5565FF

  • #5565FF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#5565FF is a blue with RGB values 85, 101, 255 and HSL 234°, 100%, 67%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#5565FF#5565FF
HEX#5565FF
RGBrgb(85, 101, 255)
RGB (0–1)0.3333, 0.3961, 1
RGB percentages33.3%, 39.6%, 100%
HSLhsl(234.4, 100%, 66.7%)
HSV / HSBhsv(234.4, 66.7%, 100%)
CMYK66.7%, 60.4%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,596,671
CSS custom property--colour: #5565FF;

Brightness & contrast

Relative luminance0.18459WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.69:1
Contrast with white4.48:1WCAG normal text: Fail
Contrast with black4.69:1WCAG normal text: AA
Greyscale equivalent#6D6D6D
Inverted#AA9A00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007FFFno red cones; affects about 1% of men; ΔE 23.8 from the original
Deuteranopia#006FFCno green cones; the most common form, about 1% of men; ΔE 13.5 from the original
Tritanopia#008CA9no blue cones; rare, and affects men and women equally; ΔE 83 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.48:1WCAG large text: AA
Contrast with black, large text4.69:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 13.2Royal blue · ΔE 20.4Slate blue · ΔE 21.9Medium purple · ΔE 29.2Blue violet · ΔE 29.4Dark orchid · ΔE 30.5
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 13.2, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFEF55
Analogous#55BAFF, #9A55FF
Triadic#FF5565, #65FF55
Split complementary#FF9A55, #BAFF55
Tetradic#FF55BA, #FFEF55, #55FF9A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EEF0FF
Lighter +20%#BBC1FF
Lighter +10%#8893FF
Darker −10%#2237FF
Darker −20%#0016EE
Darker −30%#0012BB
Darker −40%#000D88
More saturated +25%#5565FF
Less saturated −25%#6A76EA

Channel breakdown

R85
G101
B255
Red85 (33.3%)
Green101 (39.6%)
Blue255 (100%)
Hue234.35°
Saturation (HSL)100%
Lightness66.67%
Dominant channelBlue
Hex per channelR 55 · G 65 · B FF

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Every value on this page was computed from “5565ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.