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Colour

#56568F

  • #56568F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#56568F is a blue with RGB values 86, 86, 143 and HSL 240°, 25%, 45%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#56568F#56568F
HEX#56568F
RGBrgb(86, 86, 143)
RGB (0–1)0.3373, 0.3373, 0.5608
RGB percentages33.7%, 33.7%, 56.1%
HSLhsl(240, 24.9%, 44.9%)
HSV / HSBhsv(240, 39.9%, 56.1%)
CMYK39.9%, 39.9%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,658,255
CSS custom property--colour: #56568F;

Brightness & contrast

Relative luminance0.10617WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.72:1
Contrast with white6.72:1WCAG normal text: AA
Contrast with black3.12:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#A9A970

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#435E91no red cones; affects about 1% of men; ΔE 9.5 from the original
Deuteranopia#405A8Eno green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#46616Bno blue cones; rare, and affects men and women equally; ΔE 31.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.72:1WCAG large text: AAA
Contrast with black, large text3.12:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 17.3Steel blue · ΔE 23.3Cornflower blue · ΔE 29.6Slate grey · ΔE 30.4Light slate grey · ΔE 31.6Rebecca purple · ΔE 32.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.33, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8F8F56
Analogous#56738F, #73568F
Triadic#8F5656, #568F56
Split complementary#8F7356, #738F56
Tetradic#8F5673, #8F8F56, #568F73

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFCFE2
Lighter +30%#AFAFCF
Lighter +20%#8F8FBC
Lighter +10%#6F6FA9
Darker −10%#43436F
Darker −20%#30304F
Darker −30%#1D1D2F
Darker −40%#090910
More saturated +25%#3939AC
Less saturated −25%#737373

Channel breakdown

R86
G86
B143
Red86 (33.7%)
Green86 (33.7%)
Blue143 (56.1%)
Hue240°
Saturation (HSL)24.89%
Lightness44.9%
Dominant channelBlue
Hex per channelR 56 · G 56 · B 8F

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Every value on this page was computed from “56568f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.