Colour

#2A0055

#2A0055
Violet
Dark
Nearest: Midnight blue

#2A0055 is a violet with RGB values 42, 0, 85 and HSL 270°, 100%, 17%. It is a dark colour, so white text on it reaches 17.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#2A0055#2A0055

HEX#2A0055

RGBrgb(42, 0, 85)

RGB (0–1)0.1647, 0, 0.3333

RGB percentages16.5%, 0%, 33.3%

HSLhsl(269.6, 100%, 16.7%)

HSV / HSBhsv(269.6, 100%, 33.3%)

CMYK50.6%, 100%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,752,597

CSS custom property--colour: #2A0055;

Brightness & contrast

Relative luminance0.01148WCAG 2.x, 0 is black and 1 is white

Perceived brightness36.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.08:1

Contrast with white17.08:1WCAG normal text: AAA

Contrast with black1.23:1WCAG normal text: Fail

Greyscale equivalent#0F0F0F

Inverted#D5FFAA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001C57no red cones; affects about 1% of men; ΔE 20.8 from the original

Deuteranopia#001B54no green cones; the most common form, about 1% of men; ΔE 21.5 from the original

Tritanopia#1E1C2Eno blue cones; rare, and affects men and women equally; ΔE 43.1 from the original

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

Contrast with white, large text17.08:1WCAG large text: AAA

Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 12 Indigo · ΔE 21.3 Dark slateblue · ΔE 23.8 Rebecca purple · ΔE 24.1 Navy · ΔE 25.8 Purple · ΔE 29.2

Nearest named CSS colourMidnight blue (#191970)ΔE 11.96, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2B5500

Analogous#000155, #540055

Triadic#552A00, #00552A

Split complementary#555400, #015500

Tetradic#550000, #2B5500, #005554

Tints, shades & saturation

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

Lighter +40%#8F22FF

Lighter +30%#7600EE

Lighter +20%#5C00BB

Lighter +10%#430088

Darker −10%#110022

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#2A0055

Less saturated −25%#2A0B4A

Channel breakdown

R42

B85

Red42 (16.5%)

Green0 (0%)

Blue85 (33.3%)

Hue269.65°

Saturation (HSL)100%

Lightness16.67%

Dominant channelBlue

Hex per channelR 2A · G 00 · B 55

Keep nerding

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#2A0055

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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