Recognised as Colour

#421AB1

#421AB1
Violet
Dark
Nearest: Dark blue

#421AB1 is a violet with RGB values 66, 26, 177 and HSL 256°, 74%, 40%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#421AB1#421AB1

HEX#421AB1

RGBrgb(66, 26, 177)

RGB (0–1)0.2588, 0.102, 0.6941

RGB percentages25.9%, 10.2%, 69.4%

HSLhsl(255.9, 74.4%, 39.8%)

HSV / HSBhsv(255.9, 85.3%, 69.4%)

CMYK62.7%, 85.3%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,332,209

CSS custom property--colour: #421AB1;

Brightness & contrast

Relative luminance0.05071WCAG 2.x, 0 is black and 1 is white

Perceived brightness72.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.43:1

Contrast with white10.43:1WCAG normal text: AAA

Contrast with black2.01:1WCAG normal text: Fail

Greyscale equivalent#2D2D2D

Inverted#BDE54E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0044B5no red cones; affects about 1% of men; ΔE 28.2 from the original

Deuteranopia#003BAEno green cones; the most common form, about 1% of men; ΔE 24.4 from the original

Tritanopia#004B69no blue cones; rare, and affects men and women equally; ΔE 79.9 from the original

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

Contrast with white, large text10.43:1WCAG large text: AAA

Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Dark blue · ΔE 13.4 Navy · ΔE 17.4 Indigo · ΔE 19.7 Blue violet · ΔE 21.4 Dark orchid · ΔE 22.4 Medium blue · ΔE 23.3

Nearest named CSS colourDark blue (#00008B)ΔE 13.41, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#89B11A

Analogous#1A3DB1, #8E1AB1

Triadic#B1421A, #1AB142

Split complementary#B18E1A, #3DB11A

Tetradic#B11A3D, #89B11A, #1AB18E

Tints, shades & saturation

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

Lighter +40%#B9A5F2

Lighter +30%#9779EB

Lighter +20%#754CE5

Lighter +10%#5321DD

Darker −10%#311385

Darker −20%#210D58

Darker −30%#10062C

Darker −40%#000000

More saturated +25%#3601CA

Less saturated −25%#4E3398

Channel breakdown

R66

G26

B177

Red66 (25.9%)

Green26 (10.2%)

Blue177 (69.4%)

Hue255.89°

Saturation (HSL)74.38%

Lightness39.8%

Dominant channelBlue

Hex per channelR 42 · G 1A · B B1

Keep nerding

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

#421AB1

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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