Colour

#163B63

#163B63
Blue
Dark
Nearest: Dark slate grey

#163B63 is a blue with RGB values 22, 59, 99 and HSL 211°, 64%, 24%. It is a dark colour, so white text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#163B63#163B63

HEX#163B63

RGBrgb(22, 59, 99)

RGB (0–1)0.0863, 0.2314, 0.3882

RGB percentages8.6%, 23.1%, 38.8%

HSLhsl(211.2, 63.6%, 23.7%)

HSV / HSBhsv(211.2, 77.8%, 38.8%)

CMYK77.8%, 40.4%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,456,995

CSS custom property--colour: #163B63;

Brightness & contrast

Relative luminance0.04199WCAG 2.x, 0 is black and 1 is white

Perceived brightness57.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.41:1

Contrast with white11.41:1WCAG normal text: AAA

Contrast with black1.84:1WCAG normal text: Fail

Greyscale equivalent#363636

Inverted#E9C49C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#293E65no red cones; affects about 1% of men; ΔE 3.8 from the original

Deuteranopia#1D3762no green cones; the most common form, about 1% of men; ΔE 3.9 from the original

Tritanopia#00444Ano blue cones; rare, and affects men and women equally; ΔE 26.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.41:1WCAG large text: AAA

Contrast with black, large text1.84:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 28.4 Dark slateblue · ΔE 28.7 Steel blue · ΔE 29.2 Slate grey · ΔE 33.4 Dim grey · ΔE 34.1 Light slate grey · ΔE 35.8

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 28.35, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#633E16

Analogous#166263, #181663

Triadic#63163B, #3B6316

Split complementary#631716, #626316

Tetradic#631661, #633E16, #166317

Tints, shades & saturation

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

Lighter +40%#68A0DD

Lighter +30%#3E86D4

Lighter +20%#296DB6

Lighter +10%#1F548D

Darker −10%#0D2239

Darker −20%#030910

Darker −30%#000000

Darker −40%#000000

More saturated +25%#073A72

Less saturated −25%#253C54

Channel breakdown

R22

G59

B99

Red22 (8.6%)

Green59 (23.1%)

Blue99 (38.8%)

Hue211.17°

Saturation (HSL)63.64%

Lightness23.73%

Dominant channelBlue

Hex per channelR 16 · G 3B · B 63

Keep nerding

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

#163B63

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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