Colour

#000055

#000055
Blue
Dark
Nearest: Midnight blue

#000055 is a blue with RGB values 0, 0, 85 and HSL 240°, 100%, 17%. It is a dark colour, so white text on it reaches 18.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#000055#000055

HEX#000055

HEX (short)#005

RGBrgb(0, 0, 85)

RGB (0–1)0, 0, 0.3333

RGB percentages0%, 0%, 33.3%

HSLhsl(240, 100%, 16.7%)

HSV / HSBhsv(240, 100%, 33.3%)

CMYK100%, 100%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer85

CSS custom property--colour: #000055;

Brightness & contrast

Relative luminance0.00656WCAG 2.x, 0 is black and 1 is white

Perceived brightness28.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.56:1

Contrast with white18.56:1WCAG normal text: AAA

Contrast with black1.13:1WCAG normal text: Fail

Greyscale equivalent#060606

Inverted#FFFFAA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001857no red cones; affects about 1% of men; ΔE 17.4 from the original

Deuteranopia#000E54no green cones; the most common form, about 1% of men; ΔE 10.3 from the original

Tritanopia#001F2Eno blue cones; rare, and affects men and women equally; ΔE 52.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.56:1WCAG large text: AAA

Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.5 Navy · ΔE 22.1 Indigo · ΔE 23 Dark slateblue · ΔE 27 Dark blue · ΔE 27.4 Rebecca purple · ΔE 28.2

Nearest named CSS colourMidnight blue (#191970)ΔE 10.47, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#555500

Analogous#002A55, #2A0055

Triadic#550000, #005500

Split complementary#552A00, #2A5500

Tetradic#55002A, #555500, #00552A

Tints, shades & saturation

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

Lighter +40%#2222FF

Lighter +30%#0000EE

Lighter +20%#0000BB

Lighter +10%#000088

Darker −10%#000022

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000055

Less saturated −25%#0B0B4A

Channel breakdown

B85

Red0 (0%)

Green0 (0%)

Blue85 (33.3%)

Hue240°

Saturation (HSL)100%

Lightness16.67%

Dominant channelBlue

Hex per channelR 00 · G 00 · B 55

Keep nerding

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

#000055

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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