Colour

#0046BB

#0046BB
Blue
Dark
Nearest: Royal blue

#0046BB is a blue with RGB values 0, 70, 187 and HSL 218°, 100%, 37%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0046BB#0046BB

HEX#0046BB

RGBrgb(0, 70, 187)

RGB (0–1)0, 0.2745, 0.7333

RGB percentages0%, 27.5%, 73.3%

HSLhsl(217.5, 100%, 36.7%)

HSV / HSBhsv(217.5, 100%, 73.3%)

CMYK100%, 62.6%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer18,107

CSS custom property--colour: #0046BB;

Brightness & contrast

Relative luminance0.07968WCAG 2.x, 0 is black and 1 is white

Perceived brightness82.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.1:1

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

Contrast with black2.59:1WCAG normal text: Fail

Greyscale equivalent#404040

Inverted#FFB944

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0058BFno red cones; affects about 1% of men; ΔE 13.2 from the original

Deuteranopia#0048B9no green cones; the most common form, about 1% of men; ΔE 2.8 from the original

Tritanopia#00657Ano blue cones; rare, and affects men and women equally; ΔE 66.5 from the original

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

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

Contrast with black, large text2.59:1WCAG large text: Fail

Named colours

Royal blue · ΔE 14.4 Slate blue · ΔE 15.5 Medium slateblue · ΔE 21.5 Rebecca purple · ΔE 23.1 Dark slateblue · ΔE 24.5 Midnight blue · ΔE 24.6

Nearest named CSS colourRoyal blue (#4169E1)ΔE 14.35, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BB7500

Analogous#00A4BB, #1700BB

Triadic#BB0046, #46BB00

Split complementary#BB1700, #A4BB00

Tetradic#BB00A4, #BB7500, #00BB17

Tints, shades & saturation

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

Lighter +40%#88B5FF

Lighter +30%#5595FF

Lighter +20%#2275FF

Lighter +10%#0059EE

Darker −10%#003388

Darker −20%#002055

Darker −30%#000D22

Darker −40%#000000

More saturated +25%#0046BB

Less saturated −25%#174CA4

Channel breakdown

G70

B187

Red0 (0%)

Green70 (27.5%)

Blue187 (73.3%)

Hue217.54°

Saturation (HSL)100%

Lightness36.67%

Dominant channelBlue

Hex per channelR 00 · G 46 · B BB

Keep nerding

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#0046BB

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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