Colour

#2A00FF

#2A00FF
Blue
Dark
Nearest: Blue

#2A00FF is a blue with RGB values 42, 0, 255 and HSL 250°, 100%, 50%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#2A00FF#2A00FF

HEX#2A00FF

RGBrgb(42, 0, 255)

RGB (0–1)0.1647, 0, 1

RGB percentages16.5%, 0%, 100%

HSLhsl(249.9, 100%, 50%)

HSV / HSBhsv(249.9, 100%, 100%)

CMYK83.5%, 100%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,752,767

CSS custom property--colour: #2A00FF;

Brightness & contrast

Relative luminance0.07712WCAG 2.x, 0 is black and 1 is white

Perceived brightness89.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.26:1

Contrast with white8.26:1WCAG normal text: AAA

Contrast with black2.54:1WCAG normal text: Fail

Greyscale equivalent#1B1B1B

Inverted#D5FF00

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005AFFno red cones; affects about 1% of men; ΔE 43.1 from the original

Deuteranopia#0042FBno green cones; the most common form, about 1% of men; ΔE 27.5 from the original

Tritanopia#006B96no blue cones; rare, and affects men and women equally; ΔE 117.1 from the original

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

Contrast with white, large text8.26:1WCAG large text: AAA

Contrast with black, large text2.54:1WCAG large text: Fail

Named colours

Blue · ΔE 2.1 Medium blue · ΔE 20.9 Blue violet · ΔE 33.9 Dark violet · ΔE 36.4 Dark orchid · ΔE 49.2 Dark blue · ΔE 50.9

Nearest named CSS colourBlue (#0000FF)ΔE 2.14, below the just-noticeable difference

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#D5FF00

Analogous#0056FF, #AA00FF

Triadic#FF2A00, #00FF2A

Split complementary#FFA900, #56FF00

Tetradic#FF0055, #D5FF00, #00FFA9

Tints, shades & saturation

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

Lighter +40%#D4CCFF

Lighter +30%#AA99FF

Lighter +20%#7F66FF

Lighter +10%#5533FF

Darker −10%#2200CC

Darker −20%#190099

Darker −30%#110066

Darker −40%#080033

More saturated +25%#2A00FF

Less saturated −25%#3F20DF

Channel breakdown

R42

B255

Red42 (16.5%)

Green0 (0%)

Blue255 (100%)

Hue249.88°

Saturation (HSL)100%

Lightness50%

Dominant channelBlue

Hex per channelR 2A · G 00 · B FF

Keep nerding

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#2A00FF

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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