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Recognised as Colour

#564FB4

  • #564FB4
  • Blue
  • Dark
  • Nearest: Slate blue

#564FB4 is a blue with RGB values 86, 79, 180 and HSL 244°, 40%, 51%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#564FB4#564FB4
HEX#564FB4
RGBrgb(86, 79, 180)
RGB (0–1)0.3373, 0.3098, 0.7059
RGB percentages33.7%, 31%, 70.6%
HSLhsl(244.2, 40.2%, 50.8%)
HSV / HSBhsv(244.2, 56.1%, 70.6%)
CMYK52.2%, 56.1%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,656,500
CSS custom property--colour: #564FB4;

Brightness & contrast

Relative luminance0.10866WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.62:1
Contrast with white6.62:1WCAG normal text: AA
Contrast with black3.17:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#A9B04B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0A60B7no red cones; affects about 1% of men; ΔE 19.8 from the original
Deuteranopia#0059B2no green cones; the most common form, about 1% of men; ΔE 17.6 from the original
Tritanopia#30667Ano blue cones; rare, and affects men and women equally; ΔE 55.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.62:1WCAG large text: AAA
Contrast with black, large text3.17:1WCAG large text: AA

Named colours

Slate blue · ΔE 9.3Dark slateblue · ΔE 14.6Rebecca purple · ΔE 14.9Royal blue · ΔE 15.6Medium purple · ΔE 17Medium slateblue · ΔE 20.6
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 9.27, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#ADB44F
Analogous#4F7AB4, #894FB4
Triadic#B4564F, #4FB456
Split complementary#B4894F, #7AB44F
Tetradic#B44F7A, #ADB44F, #4FB489

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFDEF1
Lighter +30%#BDBAE2
Lighter +20%#9B97D2
Lighter +10%#7873C3
Darker −10%#443E92
Darker −20%#332F6E
Darker −30%#23204A
Darker −40%#121027
More saturated +25%#3B30D3
Less saturated −25%#716E95

Channel breakdown

R86
G79
B180
Red86 (33.7%)
Green79 (31%)
Blue180 (70.6%)
Hue244.16°
Saturation (HSL)40.24%
Lightness50.78%
Dominant channelBlue
Hex per channelR 56 · G 4F · B B4

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Every value on this page was computed from “564fb4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.