Colour

#00379A

#00379A
Blue
Dark
Nearest: Midnight blue

#00379A is a blue with RGB values 0, 55, 154 and HSL 219°, 100%, 30%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#00379A#00379A

HEX#00379A

RGBrgb(0, 55, 154)

RGB (0–1)0, 0.2157, 0.6039

RGB percentages0%, 21.6%, 60.4%

HSLhsl(218.6, 100%, 30.2%)

HSV / HSBhsv(218.6, 100%, 60.4%)

CMYK100%, 64.3%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,234

CSS custom property--colour: #00379A;

Brightness & contrast

Relative luminance0.05065WCAG 2.x, 0 is black and 1 is white

Perceived brightness66.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.43:1

Contrast with white10.43:1WCAG normal text: AAA

Contrast with black2.01:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#FFC865

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00469Dno red cones; affects about 1% of men; ΔE 11.6 from the original

Deuteranopia#003998no green cones; the most common form, about 1% of men; ΔE 2.9 from the original

Tritanopia#005163no blue cones; rare, and affects men and women equally; ΔE 58.2 from the original

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

Contrast with white, large text10.43:1WCAG large text: AAA

Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 14.7 Dark slateblue · ΔE 16.2 Rebecca purple · ΔE 20.4 Slate blue · ΔE 20.7 Royal blue · ΔE 22.2 Navy · ΔE 26.1

Nearest named CSS colourMidnight blue (#191970)ΔE 14.73, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9A6300

Analogous#00849A, #16009A

Triadic#9A0037, #379A00

Split complementary#9A1600, #849A00

Tetradic#9A0084, #9A6300, #009A16

Tints, shades & saturation

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

Lighter +40%#679DFF

Lighter +30%#347DFF

Lighter +20%#015CFF

Lighter +10%#0049CD

Darker −10%#002567

Darker −20%#001334

Darker −30%#000001

Darker −40%#000000

More saturated +25%#00379A

Less saturated −25%#133D87

Channel breakdown

G55

B154

Red0 (0%)

Green55 (21.6%)

Blue154 (60.4%)

Hue218.57°

Saturation (HSL)100%

Lightness30.2%

Dominant channelBlue

Hex per channelR 00 · G 37 · B 9A

Keep nerding

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#00379A

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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