Recognised as Colour

#4221CF

#4221CF
Blue
Dark
Nearest: Medium blue

#4221CF is a blue with RGB values 66, 33, 207 and HSL 251°, 73%, 47%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#4221CF#4221CF

HEX#4221CF

RGBrgb(66, 33, 207)

RGB (0–1)0.2588, 0.1294, 0.8118

RGB percentages25.9%, 12.9%, 81.2%

HSLhsl(251.4, 72.5%, 47.1%)

HSV / HSBhsv(251.4, 84.1%, 81.2%)

CMYK68.1%, 84.1%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,334,031

CSS custom property--colour: #4221CF;

Brightness & contrast

Relative luminance0.06751WCAG 2.x, 0 is black and 1 is white

Perceived brightness82.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.94:1

Contrast with white8.94:1WCAG normal text: AAA

Contrast with black2.35:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#BDDE30

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0050D4no red cones; affects about 1% of men; ΔE 30.4 from the original

Deuteranopia#0042CCno green cones; the most common form, about 1% of men; ΔE 23.3 from the original

Tritanopia#005A7Cno blue cones; rare, and affects men and women equally; ΔE 90.5 from the original

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

Contrast with white, large text8.94:1WCAG large text: AAA

Contrast with black, large text2.35:1WCAG large text: Fail

Named colours

Medium blue · ΔE 12.9 Blue violet · ΔE 16 Dark violet · ΔE 21.2 Dark blue · ΔE 23.7 Dark orchid · ΔE 25.6 Navy · ΔE 28.5

Nearest named CSS colourMedium blue (#0000CD)ΔE 12.93, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AECF21

Analogous#2157CF, #9921CF

Triadic#CF4221, #21CF42

Split complementary#CF9921, #57CF21

Tetradic#CF2157, #AECF21, #21CF99

Tints, shades & saturation

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

Lighter +40%#CFC6F6

Lighter +30%#AA9AEF

Lighter +20%#856EE8

Lighter +10%#6042E1

Darker −10%#341AA3

Darker −20%#261377

Darker −30%#180C4B

Darker −40%#0A051F

More saturated +25%#2F03ED

Less saturated −25%#553FB1

Channel breakdown

R66

G33

B207

Red66 (25.9%)

Green33 (12.9%)

Blue207 (81.2%)

Hue251.38°

Saturation (HSL)72.5%

Lightness47.06%

Dominant channelBlue

Hex per channelR 42 · G 21 · B CF

Keep nerding

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

#4221CF

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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