Colour

#0044BB

#0044BB
Blue
Dark
Nearest: Royal blue

#0044BB is a blue with RGB values 0, 68, 187 and HSL 218°, 100%, 37%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0044BB#0044BB

HEX#0044BB

HEX (short)#04B

RGBrgb(0, 68, 187)

RGB (0–1)0, 0.2667, 0.7333

RGB percentages0%, 26.7%, 73.3%

HSLhsl(218.2, 100%, 36.7%)

HSV / HSBhsv(218.2, 100%, 73.3%)

CMYK100%, 63.6%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer17,595

CSS custom property--colour: #0044BB;

Brightness & contrast

Relative luminance0.07722WCAG 2.x, 0 is black and 1 is white

Perceived brightness81.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.25:1

Contrast with white8.25:1WCAG normal text: AAA

Contrast with black2.54:1WCAG normal text: Fail

Greyscale equivalent#3E3E3E

Inverted#FFBB44

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0057BFno red cones; affects about 1% of men; ΔE 14 from the original

Deuteranopia#0047B9no green cones; the most common form, about 1% of men; ΔE 3.6 from the original

Tritanopia#006479no blue cones; rare, and affects men and women equally; ΔE 68 from the original

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

Contrast with white, large text8.25:1WCAG large text: AAA

Contrast with black, large text2.54:1WCAG large text: Fail

Named colours

Royal blue · ΔE 15.3 Slate blue · ΔE 15.9 Medium slateblue · ΔE 21.3 Rebecca purple · ΔE 23.1 Midnight blue · ΔE 24.7 Dark slateblue · ΔE 25.5

Nearest named CSS colourRoyal blue (#4169E1)ΔE 15.29, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BB7700

Analogous#00A1BB, #1A00BB

Triadic#BB0044, #44BB00

Split complementary#BB1A00, #A1BB00

Tetradic#BB00A1, #BB7700, #00BB19

Tints, shades & saturation

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

Lighter +40%#88B3FF

Lighter +30%#5593FF

Lighter +20%#2272FF

Lighter +10%#0057EE

Darker −10%#003188

Darker −20%#001F55

Darker −30%#000C22

Darker −40%#000000

More saturated +25%#0044BB

Less saturated −25%#174AA4

Channel breakdown

G68

B187

Red0 (0%)

Green68 (26.7%)

Blue187 (73.3%)

Hue218.18°

Saturation (HSL)100%

Lightness36.67%

Dominant channelBlue

Hex per channelR 00 · G 44 · B BB

Keep nerding

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

#0044BB

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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