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Colour

#566AEA

  • #566AEA
  • Blue
  • Dark
  • Nearest: Royal blue

#566AEA is a blue with RGB values 86, 106, 234 and HSL 232°, 78%, 63%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#566AEA#566AEA
HEX#566AEA
RGBrgb(86, 106, 234)
RGB (0–1)0.3373, 0.4157, 0.9176
RGB percentages33.7%, 41.6%, 91.8%
HSLhsl(231.9, 77.9%, 62.7%)
HSV / HSBhsv(231.9, 63.2%, 91.8%)
CMYK63.2%, 54.7%, 0%, 8.2%naive device-independent conversion; real print needs an ICC profile
24-bit integer5,663,466
CSS custom property--colour: #566AEA;

Brightness & contrast

Relative luminance0.18227WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.65:1
Contrast with white4.52:1WCAG normal text: AA
Contrast with black4.65:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#A99515

Colour vision & accessibility

Protanopia#007DEEno red cones; affects about 1% of men; ΔE 18.2 from the original
Deuteranopia#0070E7no green cones; the most common form, about 1% of men; ΔE 12.3 from the original
Tritanopia#0089A0no blue cones; rare, and affects men and women equally; ΔE 71.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.52:1WCAG large text: AAA
Contrast with black, large text4.65:1WCAG large text: AAA

Named colours

Nearest named CSS colourRoyal blue (#4169E1)ΔE 6.19, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#EAD656
Analogous#56B4EA, #8C56EA
Triadic#EA566A, #6AEA56
Split complementary#EA8C56, #B4EA56
Tetradic#EA56B4, #EAD656, #56EA8C

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#DEE2FB
Lighter +20%#B1BAF5
Lighter +10%#8392F0
Darker −10%#2942E4
Darker −20%#182FC2
Darker −30%#122495
Darker −40%#0D1967
More saturated +25%#415BFF
Less saturated −25%#6E7BD2

Channel breakdown

R86
G106
B234
Red86 (33.7%)
Green106 (41.6%)
Blue234 (91.8%)
Hue231.89°
Saturation (HSL)77.89%
Lightness62.75%
Dominant channelBlue
Hex per channelR 56 · G 6A · B EA

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Every value on this page was computed from “566aea” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.