Colour

#2A00A5

#2A00A5
Violet
Dark
Nearest: Dark blue

#2A00A5 is a violet with RGB values 42, 0, 165 and HSL 255°, 100%, 32%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#2A00A5#2A00A5

HEX#2A00A5

RGBrgb(42, 0, 165)

RGB (0–1)0.1647, 0, 0.6471

RGB percentages16.5%, 0%, 64.7%

HSLhsl(255.3, 100%, 32.4%)

HSV / HSBhsv(255.3, 100%, 64.7%)

CMYK74.5%, 100%, 0%, 35.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,752,677

CSS custom property--colour: #2A00A5;

Brightness & contrast

Relative luminance0.03209WCAG 2.x, 0 is black and 1 is white

Perceived brightness60.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.79:1

Contrast with white12.79:1WCAG normal text: AAA

Contrast with black1.64:1WCAG normal text: Fail

Greyscale equivalent#151515

Inverted#D5FF5A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0038A9no red cones; affects about 1% of men; ΔE 29 from the original

Deuteranopia#002BA3no green cones; the most common form, about 1% of men; ΔE 21.7 from the original

Tritanopia#00425Fno blue cones; rare, and affects men and women equally; ΔE 83.1 from the original

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

Contrast with white, large text12.79:1WCAG large text: AAA

Contrast with black, large text1.64:1WCAG large text: Fail

Named colours

Dark blue · ΔE 11.3 Navy · ΔE 16.3 Medium blue · ΔE 19.8 Indigo · ΔE 22.1 Blue violet · ΔE 24.5 Dark violet · ΔE 26.6

Nearest named CSS colourDark blue (#00008B)ΔE 11.26, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7BA500

Analogous#0029A5, #7C00A5

Triadic#A52A00, #00A52A

Split complementary#A57C00, #29A500

Tetradic#A50029, #7BA500, #00A57C

Tints, shades & saturation

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

Lighter +40%#9672FF

Lighter +30%#703FFF

Lighter +20%#4A0CFF

Lighter +10%#3700D8

Darker −10%#1D0072

Darker −20%#10003F

Darker −30%#03000C

Darker −40%#000000

More saturated +25%#2A00A5

Less saturated −25%#341590

Channel breakdown

R42

B165

Red42 (16.5%)

Green0 (0%)

Blue165 (64.7%)

Hue255.27°

Saturation (HSL)100%

Lightness32.35%

Dominant channelBlue

Hex per channelR 2A · G 00 · B A5

Keep nerding

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

#2A00A5

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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