Colour

#0048AD

#0048AD
Blue
Dark
Nearest: Royal blue

#0048AD is a blue with RGB values 0, 72, 173 and HSL 215°, 100%, 34%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0048AD#0048AD

HEX#0048AD

RGBrgb(0, 72, 173)

RGB (0–1)0, 0.2824, 0.6784

RGB percentages0%, 28.2%, 67.8%

HSLhsl(215, 100%, 33.9%)

HSV / HSBhsv(215, 100%, 67.8%)

CMYK100%, 58.4%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer18,605

CSS custom property--colour: #0048AD;

Brightness & contrast

Relative luminance0.07652WCAG 2.x, 0 is black and 1 is white

Perceived brightness80.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.3:1

Contrast with white8.3:1WCAG normal text: AAA

Contrast with black2.53:1WCAG normal text: Fail

Greyscale equivalent#404040

Inverted#FFB752

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0056B0no red cones; affects about 1% of men; ΔE 10.6 from the original

Deuteranopia#0047ABno green cones; the most common form, about 1% of men; ΔE 0.7 from the original

Tritanopia#006273no blue cones; rare, and affects men and women equally; ΔE 58.8 from the original

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

Contrast with white, large text8.3:1WCAG large text: AAA

Contrast with black, large text2.53:1WCAG large text: Fail

Named colours

Royal blue · ΔE 16.3 Dark slateblue · ΔE 17.3 Slate blue · ΔE 18.1 Midnight blue · ΔE 21.7 Rebecca purple · ΔE 23.4 Medium slateblue · ΔE 27.2

Nearest named CSS colourRoyal blue (#4169E1)ΔE 16.31, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AD6500

Analogous#009FAD, #0E00AD

Triadic#AD0048, #48AD00

Split complementary#AD0F00, #9EAD00

Tetradic#AD009F, #AD6500, #00AD0F

Tints, shades & saturation

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

Lighter +40%#7AB1FF

Lighter +30%#4794FF

Lighter +20%#1476FF

Lighter +10%#005DE0

Darker −10%#00337A

Darker −20%#001E47

Darker −30%#000814

Darker −40%#000000

More saturated +25%#0048AD

Less saturated −25%#164C97

Channel breakdown

G72

B173

Red0 (0%)

Green72 (28.2%)

Blue173 (67.8%)

Hue215.03°

Saturation (HSL)100%

Lightness33.92%

Dominant channelBlue

Hex per channelR 00 · G 48 · B AD

Keep nerding

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

#0048AD

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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