Colour

#000573

#000573
Blue
Dark
Nearest: Navy

#000573 is a blue with RGB values 0, 5, 115 and HSL 237°, 100%, 23%. It is a dark colour, so white text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#000573#000573

HEX#000573

RGBrgb(0, 5, 115)

RGB (0–1)0, 0.0196, 0.451

RGB percentages0%, 2%, 45.1%

HSLhsl(237.4, 100%, 22.5%)

HSV / HSBhsv(237.4, 100%, 45.1%)

CMYK100%, 95.7%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,395

CSS custom property--colour: #000573;

Brightness & contrast

Relative luminance0.01346WCAG 2.x, 0 is black and 1 is white

Perceived brightness39 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.54:1

Contrast with white16.54:1WCAG normal text: AAA

Contrast with black1.27:1WCAG normal text: Fail

Greyscale equivalent#0C0C0C

Inverted#FFFA8C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002576no red cones; affects about 1% of men; ΔE 21 from the original

Deuteranopia#001871no green cones; the most common form, about 1% of men; ΔE 12.7 from the original

Tritanopia#002D41no blue cones; rare, and affects men and women equally; ΔE 63.6 from the original

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

Contrast with white, large text16.54:1WCAG large text: AAA

Contrast with black, large text1.27:1WCAG large text: Fail

Named colours

Navy · ΔE 8.5 Dark blue · ΔE 13.7 Midnight blue · ΔE 14.1 Indigo · ΔE 14.4 Rebecca purple · ΔE 24.2 Dark slateblue · ΔE 29.8

Nearest named CSS colourNavy (#000080)ΔE 8.55, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#736E00

Analogous#003F73, #340073

Triadic#730005, #057300

Split complementary#733400, #3F7300

Tetradic#73003F, #736E00, #007334

Tints, shades & saturation

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

Lighter +40%#4048FF

Lighter +30%#0D18FF

Lighter +20%#0009D9

Lighter +10%#0007A6

Darker −10%#000340

Darker −20%#00010D

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000573

Less saturated −25%#0E1265

Channel breakdown

B115

Red0 (0%)

Green5 (2%)

Blue115 (45.1%)

Hue237.39°

Saturation (HSL)100%

Lightness22.55%

Dominant channelBlue

Hex per channelR 00 · G 05 · B 73

Keep nerding

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#000573

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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