Recognised as Colour

#2A147B

#2A147B
Blue
Dark
Nearest: Midnight blue

#2A147B is a blue with RGB values 42, 20, 123 and HSL 253°, 72%, 28%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#2A147B#2A147B

HEX#2A147B

RGBrgb(42, 20, 123)

RGB (0–1)0.1647, 0.0784, 0.4824

RGB percentages16.5%, 7.8%, 48.2%

HSLhsl(252.8, 72%, 28%)

HSV / HSBhsv(252.8, 83.7%, 48.2%)

CMYK65.9%, 83.7%, 0%, 51.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,757,755

CSS custom property--colour: #2A147B;

Brightness & contrast

Relative luminance0.02423WCAG 2.x, 0 is black and 1 is white

Perceived brightness49.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.15:1

Contrast with white14.15:1WCAG normal text: AAA

Contrast with black1.48:1WCAG normal text: Fail

Greyscale equivalent#202020

Inverted#D5EB84

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002E7Eno red cones; affects about 1% of men; ΔE 19.8 from the original

Deuteranopia#002779no green cones; the most common form, about 1% of men; ΔE 16.5 from the original

Tritanopia#003448no blue cones; rare, and affects men and women equally; ΔE 60.1 from the original

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

Contrast with white, large text14.15:1WCAG large text: AAA

Contrast with black, large text1.48:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.3 Indigo · ΔE 12.2 Navy · ΔE 14.1 Rebecca purple · ΔE 17 Dark blue · ΔE 18.5 Dark slateblue · ΔE 22.5

Nearest named CSS colourMidnight blue (#191970)ΔE 9.35, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#657B14

Analogous#14317B, #5E147B

Triadic#7B2A14, #147B2A

Split complementary#7B5E14, #317B14

Tetradic#7B1431, #657B14, #147B5E

Tints, shades & saturation

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

Lighter +40%#8C73E8

Lighter +30%#6847E1

Lighter +20%#4822D3

Lighter +10%#391BA7

Darker −10%#1B0D4F

Darker −20%#0C0623

Darker −30%#000000

Darker −40%#000000

More saturated +25%#20028D

Less saturated −25%#342669

Channel breakdown

R42

G20

B123

Red42 (16.5%)

Green20 (7.8%)

Blue123 (48.2%)

Hue252.82°

Saturation (HSL)72.03%

Lightness28.04%

Dominant channelBlue

Hex per channelR 2A · G 14 · B 7B

Keep nerding

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#2A147B

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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