Colour

#0047BA

#0047BA
Blue
Dark
Nearest: Royal blue

#0047BA is a blue with RGB values 0, 71, 186 and HSL 217°, 100%, 36%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0047BA#0047BA

HEX#0047BA

RGBrgb(0, 71, 186)

RGB (0–1)0, 0.2784, 0.7294

RGB percentages0%, 27.8%, 72.9%

HSLhsl(217.1, 100%, 36.5%)

HSV / HSBhsv(217.1, 100%, 72.9%)

CMYK100%, 61.8%, 0%, 27.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer18,362

CSS custom property--colour: #0047BA;

Brightness & contrast

Relative luminance0.08052WCAG 2.x, 0 is black and 1 is white

Perceived brightness83.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.04:1

Contrast with white8.04:1WCAG normal text: AAA

Contrast with black2.61:1WCAG normal text: Fail

Greyscale equivalent#404040

Inverted#FFB845

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0058BEno red cones; affects about 1% of men; ΔE 12.4 from the original

Deuteranopia#0048B8no green cones; the most common form, about 1% of men; ΔE 2 from the original

Tritanopia#006579no blue cones; rare, and affects men and women equally; ΔE 65.8 from the original

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

Contrast with white, large text8.04:1WCAG large text: AAA

Contrast with black, large text2.61:1WCAG large text: Fail

Named colours

Royal blue · ΔE 13.9 Slate blue · ΔE 15.4 Medium slateblue · ΔE 22 Rebecca purple · ΔE 23.1 Dark slateblue · ΔE 23.5 Midnight blue · ΔE 24.2

Nearest named CSS colourRoyal blue (#4169E1)ΔE 13.94, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BA7300

Analogous#00A4BA, #1600BA

Triadic#BA0047, #47BA00

Split complementary#BA1600, #A4BA00

Tetradic#BA00A4, #BA7300, #00BA16

Tints, shades & saturation

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

Lighter +40%#87B5FF

Lighter +30%#5495FF

Lighter +20%#2176FF

Lighter +10%#005AED

Darker −10%#003487

Darker −20%#002054

Darker −30%#000D21

Darker −40%#000000

More saturated +25%#0047BA

Less saturated −25%#174CA3

Channel breakdown

G71

B186

Red0 (0%)

Green71 (27.8%)

Blue186 (72.9%)

Hue217.1°

Saturation (HSL)100%

Lightness36.47%

Dominant channelBlue

Hex per channelR 00 · G 47 · B BA

Keep nerding

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#0047BA

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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