Colour

#2A53AB

#2A53AB
Blue
Dark
Nearest: Dark slateblue

#2A53AB is a blue with RGB values 42, 83, 171 and HSL 221°, 61%, 42%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2A53AB#2A53AB

HEX#2A53AB

RGBrgb(42, 83, 171)

RGB (0–1)0.1647, 0.3255, 0.6706

RGB percentages16.5%, 32.5%, 67.1%

HSLhsl(220.9, 60.6%, 41.8%)

HSV / HSBhsv(220.9, 75.4%, 67.1%)

CMYK75.4%, 51.5%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,773,931

CSS custom property--colour: #2A53AB;

Brightness & contrast

Relative luminance0.09619WCAG 2.x, 0 is black and 1 is white

Perceived brightness88.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.18:1

Contrast with white7.18:1WCAG normal text: AAA

Contrast with black2.92:1WCAG normal text: Fail

Greyscale equivalent#515151

Inverted#D5AC54

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1B5EAEno red cones; affects about 1% of men; ΔE 8.7 from the original

Deuteranopia#0052A9no green cones; the most common form, about 1% of men; ΔE 3.7 from the original

Tritanopia#006877no blue cones; rare, and affects men and women equally; ΔE 51.6 from the original

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

Contrast with white, large text7.18:1WCAG large text: AAA

Contrast with black, large text2.92:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.1 Royal blue · ΔE 19.6 Slate blue · ΔE 21.3 Midnight blue · ΔE 25.7 Rebecca purple · ΔE 26.1 Cornflower blue · ΔE 26.2

Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.12, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AB822A

Analogous#2A93AB, #422AAB

Triadic#AB2A53, #53AB2A

Split complementary#AB422A, #93AB2A

Tetradic#AB2A93, #AB822A, #2AAB42

Tints, shades & saturation

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

Lighter +40%#B4C6ED

Lighter +30%#8BA7E3

Lighter +20%#6288D9

Lighter +10%#3A69CE

Darker −10%#203F82

Darker −20%#162B59

Darker −30%#0C1730

Darker −40%#020407

More saturated +25%#0F49C6

Less saturated −25%#455D90

Channel breakdown

R42

G83

B171

Red42 (16.5%)

Green83 (32.5%)

Blue171 (67.1%)

Hue220.93°

Saturation (HSL)60.56%

Lightness41.76%

Dominant channelBlue

Hex per channelR 2A · G 53 · B AB

Keep nerding

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

#2A53AB

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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