Recognised as Colour

#2B00A8

#2B00A8
Violet
Dark
Nearest: Dark blue

#2B00A8 is a violet with RGB values 43, 0, 168 and HSL 255°, 100%, 33%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#2B00A8#2B00A8

HEX#2B00A8

RGBrgb(43, 0, 168)

RGB (0–1)0.1686, 0, 0.6588

RGB percentages16.9%, 0%, 65.9%

HSLhsl(255.4, 100%, 32.9%)

HSV / HSBhsv(255.4, 100%, 65.9%)

CMYK74.4%, 100%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,818,216

CSS custom property--colour: #2B00A8;

Brightness & contrast

Relative luminance0.03341WCAG 2.x, 0 is black and 1 is white

Perceived brightness61.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.59:1

Contrast with white12.59:1WCAG normal text: AAA

Contrast with black1.67:1WCAG normal text: Fail

Greyscale equivalent#151515

Inverted#D4FF57

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003AACno red cones; affects about 1% of men; ΔE 30.1 from the original

Deuteranopia#002CA6no green cones; the most common form, about 1% of men; ΔE 22 from the original

Tritanopia#004361no blue cones; rare, and affects men and women equally; ΔE 83.8 from the original

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

Contrast with white, large text12.59:1WCAG large text: AAA

Contrast with black, large text1.67:1WCAG large text: Fail

Named colours

Dark blue · ΔE 12.6 Navy · ΔE 17.6 Medium blue · ΔE 18.5 Indigo · ΔE 23.3 Blue violet · ΔE 23.7 Dark violet · ΔE 25.9

Nearest named CSS colourDark blue (#00008B)ΔE 12.56, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7DA800

Analogous#0029A8, #7F00A8

Triadic#A82B00, #00A82B

Split complementary#A87F00, #29A800

Tetradic#A80029, #7DA800, #00A87F

Tints, shades & saturation

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

Lighter +40%#9875FF

Lighter +30%#7242FF

Lighter +20%#4C0FFF

Lighter +10%#3800DB

Darker −10%#1E0075

Darker −20%#110042

Darker −30%#04000F

Darker −40%#000000

More saturated +25%#2B00A8

Less saturated −25%#351593

Channel breakdown

R43

B168

Red43 (16.9%)

Green0 (0%)

Blue168 (65.9%)

Hue255.36°

Saturation (HSL)100%

Lightness32.94%

Dominant channelBlue

Hex per channelR 2B · G 00 · B A8

Keep nerding

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

#2B00A8

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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