Colour

#566CDB

#566CDB
Blue
Dark
Nearest: Royal blue

#566CDB is a blue with RGB values 86, 108, 219 and HSL 230°, 65%, 60%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#566CDB#566CDB

HEX#566CDB

RGBrgb(86, 108, 219)

RGB (0–1)0.3373, 0.4235, 0.8588

RGB percentages33.7%, 42.4%, 85.9%

HSLhsl(230.1, 64.9%, 59.8%)

HSV / HSBhsv(230.1, 60.7%, 85.9%)

CMYK60.7%, 50.7%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,663,963

CSS custom property--colour: #566CDB;

Brightness & contrast

Relative luminance0.17818WCAG 2.x, 0 is black and 1 is white

Perceived brightness120.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.6:1

Contrast with white4.6:1WCAG normal text: AA

Contrast with black4.56:1WCAG normal text: AA

Greyscale equivalent#6F6F6F

Inverted#A99324

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2E7BDFno red cones; affects about 1% of men; ΔE 13.9 from the original

Deuteranopia#0670D9no green cones; the most common form, about 1% of men; ΔE 11.5 from the original

Tritanopia#008699no blue cones; rare, and affects men and women equally; ΔE 63.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.6:1WCAG large text: AAA

Contrast with black, large text4.56:1WCAG large text: AAA

Named colours

Royal blue · ΔE 6 Slate blue · ΔE 11.3 Medium purple · ΔE 15.7 Medium slateblue · ΔE 16.8 Dodgerblue · ΔE 19 Cornflower blue · ΔE 23

Nearest named CSS colourRoyal blue (#4169E1)ΔE 6, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#DBC556

Analogous#56AEDB, #8356DB

Triadic#DB566C, #6CDB56

Split complementary#DB8356, #AEDB56

Tetradic#DB56AE, #DBC556, #56DB83

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FEFEFF

Lighter +30%#D4DAF6

Lighter +20%#AAB5ED

Lighter +10%#8091E4

Darker −10%#2D48D1

Darker −20%#2439A7

Darker −30%#1B2B7D

Darker −40%#121D53

More saturated +25%#3C5BF5

Less saturated −25%#707DC1

Channel breakdown

R86

G108

B219

Red86 (33.7%)

Green108 (42.4%)

Blue219 (85.9%)

Hue230.08°

Saturation (HSL)64.88%

Lightness59.8%

Dominant channelBlue

Hex per channelR 56 · G 6C · B DB

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#566CDB

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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