Recognised as Colour

#001568

#001568
Blue
Dark
Nearest: Midnight blue

#001568 is a blue with RGB values 0, 21, 104 and HSL 228°, 100%, 20%. It is a dark colour, so white text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#001568#001568

HEX#001568

RGBrgb(0, 21, 104)

RGB (0–1)0, 0.0824, 0.4078

RGB percentages0%, 8.2%, 40.8%

HSLhsl(227.9, 100%, 20.4%)

HSV / HSBhsv(227.9, 100%, 40.8%)

CMYK100%, 79.8%, 0%, 59.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,480

CSS custom property--colour: #001568;

Brightness & contrast

Relative luminance0.01536WCAG 2.x, 0 is black and 1 is white

Perceived brightness38.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.07:1

Contrast with white16.07:1WCAG normal text: AAA

Contrast with black1.31:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#FFEA97

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00266Ano red cones; affects about 1% of men; ΔE 13.9 from the original

Deuteranopia#001C67no green cones; the most common form, about 1% of men; ΔE 6.4 from the original

Tritanopia#002E3Dno blue cones; rare, and affects men and women equally; ΔE 52.2 from the original

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

Contrast with white, large text16.07:1WCAG large text: AAA

Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 3.7 Dark slateblue · ΔE 19.7 Navy · ΔE 23.6 Indigo · ΔE 23.8 Rebecca purple · ΔE 24.2 Dark blue · ΔE 28.5

Nearest named CSS colourMidnight blue (#191970)ΔE 3.74, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#685300

Analogous#004968, #1F0068

Triadic#680015, #156800

Split complementary#681F00, #496800

Tetradic#680049, #685300, #00681F

Tints, shades & saturation

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

Lighter +40%#355EFF

Lighter +30%#0235FF

Lighter +20%#002ACE

Lighter +10%#001F9B

Darker −10%#000B35

Darker −20%#000002

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001568

Less saturated −25%#0D1D5B

Channel breakdown

G21

B104

Red0 (0%)

Green21 (8.2%)

Blue104 (40.8%)

Hue227.88°

Saturation (HSL)100%

Lightness20.39%

Dominant channelBlue

Hex per channelR 00 · G 15 · B 68

Keep nerding

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

#001568

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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