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Recognised as Colour

#565BB8

  • #565BB8
  • Blue
  • Dark
  • Nearest: Slate blue

#565BB8 is a blue with RGB values 86, 91, 184 and HSL 237°, 41%, 53%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#565BB8#565BB8
HEX#565BB8
RGBrgb(86, 91, 184)
RGB (0–1)0.3373, 0.3569, 0.7216
RGB percentages33.7%, 35.7%, 72.2%
HSLhsl(236.9, 40.8%, 52.9%)
HSV / HSBhsv(236.9, 53.3%, 72.2%)
CMYK53.3%, 50.5%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,659,576
CSS custom property--colour: #565BB8;

Brightness & contrast

Relative luminance0.12921WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.86:1
Contrast with white5.86:1WCAG normal text: AA
Contrast with black3.58:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#A9A447

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D69BBno red cones; affects about 1% of men; ΔE 15.1 from the original
Deuteranopia#2161B6no green cones; the most common form, about 1% of men; ΔE 13.1 from the original
Tritanopia#2A7081no blue cones; rare, and affects men and women equally; ΔE 53.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.86:1WCAG large text: AAA
Contrast with black, large text3.58:1WCAG large text: AA

Named colours

Slate blue · ΔE 14.1Dark slateblue · ΔE 14.3Royal blue · ΔE 16.2Medium purple · ΔE 17.3Rebecca purple · ΔE 20.9Medium slateblue · ΔE 24.5
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 14.07, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B8B356
Analogous#568CB8, #8256B8
Triadic#B8565B, #5BB856
Split complementary#B88256, #8CB856
Tetradic#B8568C, #B8B356, #56B882

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6E6F4
Lighter +30%#C2C4E5
Lighter +20%#9EA1D6
Lighter +10%#7A7EC7
Darker −10%#41459A
Darker −20%#323576
Darker −30%#232552
Darker −40%#14152E
More saturated +25%#3840D6
Less saturated −25%#74769A

Channel breakdown

R86
G91
B184
Red86 (33.7%)
Green91 (35.7%)
Blue184 (72.2%)
Hue236.94°
Saturation (HSL)40.83%
Lightness52.94%
Dominant channelBlue
Hex per channelR 56 · G 5B · B B8

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Every value on this page was computed from “565bb8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.