Colour

#0047AE

#0047AE
Blue
Dark
Nearest: Royal blue

#0047AE is a blue with RGB values 0, 71, 174 and HSL 216°, 100%, 34%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0047AE#0047AE

HEX#0047AE

RGBrgb(0, 71, 174)

RGB (0–1)0, 0.2784, 0.6824

RGB percentages0%, 27.8%, 68.2%

HSLhsl(215.5, 100%, 34.1%)

HSV / HSBhsv(215.5, 100%, 68.2%)

CMYK100%, 59.2%, 0%, 31.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer18,350

CSS custom property--colour: #0047AE;

Brightness & contrast

Relative luminance0.07562WCAG 2.x, 0 is black and 1 is white

Perceived brightness80.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.36:1

Contrast with white8.36:1WCAG normal text: AAA

Contrast with black2.51:1WCAG normal text: Fail

Greyscale equivalent#3F3F3F

Inverted#FFB851

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0055B1no red cones; affects about 1% of men; ΔE 10.5 from the original

Deuteranopia#0047ACno green cones; the most common form, about 1% of men; ΔE 1.2 from the original

Tritanopia#006273no blue cones; rare, and affects men and women equally; ΔE 60.2 from the original

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

Contrast with white, large text8.36:1WCAG large text: AAA

Contrast with black, large text2.51:1WCAG large text: Fail

Named colours

Royal blue · ΔE 15.9 Slate blue · ΔE 17.5 Dark slateblue · ΔE 18 Midnight blue · ΔE 21.5 Rebecca purple · ΔE 23 Medium slateblue · ΔE 26.4

Nearest named CSS colourRoyal blue (#4169E1)ΔE 15.95, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AE6700

Analogous#009EAE, #1000AE

Triadic#AE0047, #47AE00

Split complementary#AE1000, #9EAE00

Tetradic#AE009E, #AE6700, #00AE10

Tints, shades & saturation

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

Lighter +40%#7BB1FF

Lighter +30%#4893FF

Lighter +20%#1574FF

Lighter +10%#005CE1

Darker −10%#00327B

Darker −20%#001D48

Darker −30%#000915

Darker −40%#000000

More saturated +25%#0047AE

Less saturated −25%#164B98

Channel breakdown

G71

B174

Red0 (0%)

Green71 (27.8%)

Blue174 (68.2%)

Hue215.52°

Saturation (HSL)100%

Lightness34.12%

Dominant channelBlue

Hex per channelR 00 · G 47 · B AE

Keep nerding

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#0047AE

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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