Colour

#0053A9

#0053A9
Blue
Dark
Nearest: Dark slateblue

#0053A9 is a blue with RGB values 0, 83, 169 and HSL 211°, 100%, 33%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0053A9#0053A9

HEX#0053A9

RGBrgb(0, 83, 169)

RGB (0–1)0, 0.3255, 0.6627

RGB percentages0%, 32.5%, 66.3%

HSLhsl(210.5, 100%, 33.1%)

HSV / HSBhsv(210.5, 100%, 66.3%)

CMYK100%, 50.9%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer21,417

CSS custom property--colour: #0053A9;

Brightness & contrast

Relative luminance0.09051WCAG 2.x, 0 is black and 1 is white

Perceived brightness85.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.47:1

Contrast with white7.47:1WCAG normal text: AAA

Contrast with black2.81:1WCAG normal text: Fail

Greyscale equivalent#484848

Inverted#FFAC56

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#195CACno red cones; affects about 1% of men; ΔE 5.8 from the original

Deuteranopia#004EA7no green cones; the most common form, about 1% of men; ΔE 3.3 from the original

Tritanopia#006876no blue cones; rare, and affects men and women equally; ΔE 49.9 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text7.47:1WCAG large text: AAA

Contrast with black, large text2.81:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.8 Royal blue · ΔE 21.9 Slate blue · ΔE 25 Dodgerblue · ΔE 26.2 Cornflower blue · ΔE 26.3 Midnight blue · ΔE 27.3

Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.77, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A95600

Analogous#00A7A9, #0200A9

Triadic#A90053, #53A900

Split complementary#A90100, #A7A900

Tetradic#A900A7, #A95600, #00A901

Tints, shades & saturation

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

Lighter +40%#76B9FF

Lighter +30%#439FFF

Lighter +20%#1085FF

Lighter +10%#006CDC

Darker −10%#003A76

Darker −20%#002143

Darker −30%#000810

Darker −40%#000000

More saturated +25%#0053A9

Less saturated −25%#155394

Channel breakdown

G83

B169

Red0 (0%)

Green83 (32.5%)

Blue169 (66.3%)

Hue210.53°

Saturation (HSL)100%

Lightness33.14%

Dominant channelBlue

Hex per channelR 00 · G 53 · B A9

Keep nerding

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

#0053A9

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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