Colour

#003699

#003699
Blue
Dark
Nearest: Midnight blue

#003699 is a blue with RGB values 0, 54, 153 and HSL 219°, 100%, 30%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#003699#003699

HEX#003699

RGBrgb(0, 54, 153)

RGB (0–1)0, 0.2118, 0.6

RGB percentages0%, 21.2%, 60%

HSLhsl(218.8, 100%, 30%)

HSV / HSBhsv(218.8, 100%, 60%)

CMYK100%, 64.7%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,977

CSS custom property--colour: #003699;

Brightness & contrast

Relative luminance0.04938WCAG 2.x, 0 is black and 1 is white

Perceived brightness66.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.57:1

Contrast with white10.57:1WCAG normal text: AAA

Contrast with black1.99:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#FFC966

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00469Cno red cones; affects about 1% of men; ΔE 12.4 from the original

Deuteranopia#003897no green cones; the most common form, about 1% of men; ΔE 2.9 from the original

Tritanopia#005162no blue cones; rare, and affects men and women equally; ΔE 59.1 from the original

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

Contrast with white, large text10.57:1WCAG large text: AAA

Contrast with black, large text1.99:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 14.3 Dark slateblue · ΔE 16.3 Rebecca purple · ΔE 20.3 Slate blue · ΔE 20.9 Royal blue · ΔE 22.6 Navy · ΔE 25.7

Nearest named CSS colourMidnight blue (#191970)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#996300

Analogous#008399, #160099

Triadic#990036, #369900

Split complementary#991600, #839900

Tetradic#990083, #996300, #009916

Tints, shades & saturation

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

Lighter +40%#669CFF

Lighter +30%#337BFF

Lighter +20%#005AFF

Lighter +10%#0048CC

Darker −10%#002466

Darker −20%#001233

Darker −30%#000000

Darker −40%#000000

More saturated +25%#003699

Less saturated −25%#133C86

Channel breakdown

G54

B153

Red0 (0%)

Green54 (21.2%)

Blue153 (60%)

Hue218.82°

Saturation (HSL)100%

Lightness30%

Dominant channelBlue

Hex per channelR 00 · G 36 · B 99

Keep nerding

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

#003699

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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