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Recognised as Colour

#565BDF

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

#565BDF is a blue with RGB values 86, 91, 223 and HSL 238°, 68%, 61%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#565BDF#565BDF
HEX#565BDF
RGBrgb(86, 91, 223)
RGB (0–1)0.3373, 0.3569, 0.8745
RGB percentages33.7%, 35.7%, 87.5%
HSLhsl(237.8, 68.2%, 60.6%)
HSV / HSBhsv(237.8, 61.4%, 87.5%)
CMYK61.4%, 59.2%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,659,615
CSS custom property--colour: #565BDF;

Brightness & contrast

Relative luminance0.14788WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.31:1
Contrast with white5.31:1WCAG normal text: AA
Contrast with black3.96:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#A9A420

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0071E3no red cones; affects about 1% of men; ΔE 20.5 from the original
Deuteranopia#0065DCno green cones; the most common form, about 1% of men; ΔE 15.1 from the original
Tritanopia#007B94no blue cones; rare, and affects men and women equally; ΔE 73.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.31:1WCAG large text: AAA
Contrast with black, large text3.96:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 8.2Slate blue · ΔE 10.4Royal blue · ΔE 11.7Medium purple · ΔE 20.5Rebecca purple · ΔE 25Dark orchid · ΔE 29
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 8.22, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFDA56
Analogous#56A0DF, #9556DF
Triadic#DF565B, #5BDF56
Split complementary#DF9556, #A0DF56
Tetradic#DF56A0, #DFDA56, #56DF95

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D7D8F7
Lighter +20%#ACAEEF
Lighter +10%#8185E7
Darker −10%#2B31D7
Darker −20%#2126AE
Darker −30%#191D83
Darker −40%#111358
More saturated +25%#3D44F8
Less saturated −25%#6F72C6

Channel breakdown

R86
G91
B223
Red86 (33.7%)
Green91 (35.7%)
Blue223 (87.5%)
Hue237.81°
Saturation (HSL)68.16%
Lightness60.59%
Dominant channelBlue
Hex per channelR 56 · G 5B · B DF

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