Recognised as Colour

#4B00A1

#4B00A1
Violet
Dark
Nearest: Dark blue

#4B00A1 is a violet with RGB values 75, 0, 161 and HSL 268°, 100%, 32%. It is a dark colour, so white text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#4B00A1#4B00A1

HEX#4B00A1

RGBrgb(75, 0, 161)

RGB (0–1)0.2941, 0, 0.6314

RGB percentages29.4%, 0%, 63.1%

HSLhsl(268, 100%, 31.6%)

HSV / HSBhsv(268, 100%, 63.1%)

CMYK53.4%, 100%, 0%, 36.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,915,361

CSS custom property--colour: #4B00A1;

Brightness & contrast

Relative luminance0.04069WCAG 2.x, 0 is black and 1 is white

Perceived brightness68.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.58:1

Contrast with white11.58:1WCAG normal text: AAA

Contrast with black1.81:1WCAG normal text: Fail

Greyscale equivalent#1C1C1C

Inverted#B4FF5E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003BA5no red cones; affects about 1% of men; ΔE 31.4 from the original

Deuteranopia#00369Fno green cones; the most common form, about 1% of men; ΔE 30.3 from the original

Tritanopia#2B3D5Dno blue cones; rare, and affects men and women equally; ΔE 72 from the original

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

Contrast with white, large text11.58:1WCAG large text: AAA

Contrast with black, large text1.81:1WCAG large text: Fail

Named colours

Dark blue · ΔE 12.5 Indigo · ΔE 15.7 Navy · ΔE 15.8 Dark orchid · ΔE 21.6 Blue violet · ΔE 22.8 Dark violet · ΔE 23.8

Nearest named CSS colourDark blue (#00008B)ΔE 12.46, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#56A100

Analogous#0006A1, #9B00A1

Triadic#A14B00, #00A14B

Split complementary#A19B00, #06A100

Tetradic#A10006, #56A100, #00A19B

Tints, shades & saturation

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

Lighter +40%#B26EFF

Lighter +30%#963BFF

Lighter +20%#7B08FF

Lighter +10%#6300D4

Darker −10%#33006E

Darker −20%#1B003B

Darker −30%#040008

Darker −40%#000000

More saturated +25%#4B00A1

Less saturated −25%#4C148D

Channel breakdown

R75

B161

Red75 (29.4%)

Green0 (0%)

Blue161 (63.1%)

Hue267.95°

Saturation (HSL)100%

Lightness31.57%

Dominant channelBlue

Hex per channelR 4B · G 00 · B A1

Keep nerding

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

#4B00A1

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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