Colour

#003186

#003186
Blue
Dark
Nearest: Midnight blue

#003186 is a blue with RGB values 0, 49, 134 and HSL 218°, 100%, 26%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#003186#003186

HEX#003186

RGBrgb(0, 49, 134)

RGB (0–1)0, 0.1922, 0.5255

RGB percentages0%, 19.2%, 52.5%

HSLhsl(218.1, 100%, 26.3%)

HSV / HSBhsv(218.1, 100%, 52.5%)

CMYK100%, 63.4%, 0%, 47.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,678

CSS custom property--colour: #003186;

Brightness & contrast

Relative luminance0.03918WCAG 2.x, 0 is black and 1 is white

Perceived brightness58.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.77:1

Contrast with white11.77:1WCAG normal text: AAA

Contrast with black1.78:1WCAG normal text: Fail

Greyscale equivalent#2D2D2D

Inverted#FFCE79

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003E89no red cones; affects about 1% of men; ΔE 10.1 from the original

Deuteranopia#003284no green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#004756no blue cones; rare, and affects men and women equally; ΔE 51.5 from the original

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

Contrast with white, large text11.77:1WCAG large text: AAA

Contrast with black, large text1.78:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 12.1 Dark slateblue · ΔE 12.3 Rebecca purple · ΔE 22.9 Slate blue · ΔE 26.6 Royal blue · ΔE 28.4 Indigo · ΔE 29.5

Nearest named CSS colourMidnight blue (#191970)ΔE 12.09, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#865500

Analogous#007486, #120086

Triadic#860031, #318600

Split complementary#861200, #748600

Tetradic#860074, #865500, #008612

Tints, shades & saturation

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

Lighter +40%#5392FF

Lighter +30%#2072FF

Lighter +20%#0056EC

Lighter +10%#0044B9

Darker −10%#001E53

Darker −20%#000C20

Darker −30%#000000

Darker −40%#000000

More saturated +25%#003186

Less saturated −25%#113575

Channel breakdown

G49

B134

Red0 (0%)

Green49 (19.2%)

Blue134 (52.5%)

Hue218.06°

Saturation (HSL)100%

Lightness26.27%

Dominant channelBlue

Hex per channelR 00 · G 31 · B 86

Keep nerding

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#003186

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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