Colour

#00348A

#00348A
Blue
Dark
Nearest: Dark slateblue

#00348A is a blue with RGB values 0, 52, 138 and HSL 217°, 100%, 27%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#00348A#00348A

HEX#00348A

RGBrgb(0, 52, 138)

RGB (0–1)0, 0.2039, 0.5412

RGB percentages0%, 20.4%, 54.1%

HSLhsl(217.4, 100%, 27.1%)

HSV / HSBhsv(217.4, 100%, 54.1%)

CMYK100%, 62.3%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,450

CSS custom property--colour: #00348A;

Brightness & contrast

Relative luminance0.04291WCAG 2.x, 0 is black and 1 is white

Perceived brightness61.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.3:1

Contrast with white11.3:1WCAG normal text: AAA

Contrast with black1.86:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#FFCB75

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00418Dno red cones; affects about 1% of men; ΔE 10.1 from the original

Deuteranopia#003588no green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#004B59no blue cones; rare, and affects men and women equally; ΔE 52.7 from the original

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

Contrast with white, large text11.3:1WCAG large text: AAA

Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.2 Midnight blue · ΔE 13.3 Rebecca purple · ΔE 23 Slate blue · ΔE 25.8 Royal blue · ΔE 27.2 Indigo · ΔE 30

Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.19, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8A5600

Analogous#00798A, #11008A

Triadic#8A0034, #348A00

Split complementary#8A1100, #798A00

Tetradic#8A0079, #8A5600, #008A11

Tints, shades & saturation

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

Lighter +40%#5796FF

Lighter +30%#2477FF

Lighter +20%#005AF0

Lighter +10%#0047BD

Darker −10%#002157

Darker −20%#000E24

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00348A

Less saturated −25%#113879

Channel breakdown

G52

B138

Red0 (0%)

Green52 (20.4%)

Blue138 (54.1%)

Hue217.39°

Saturation (HSL)100%

Lightness27.06%

Dominant channelBlue

Hex per channelR 00 · G 34 · B 8A

Keep nerding

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#00348A

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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