Colour

#424AB1

#424AB1
Blue
Dark
Nearest: Slate blue

#424AB1 is a blue with RGB values 66, 74, 177 and HSL 236°, 46%, 48%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#424AB1#424AB1

HEX#424AB1

RGBrgb(66, 74, 177)

RGB (0–1)0.2588, 0.2902, 0.6941

RGB percentages25.9%, 29%, 69.4%

HSLhsl(235.7, 45.7%, 47.6%)

HSV / HSBhsv(235.7, 62.7%, 69.4%)

CMYK62.7%, 58.2%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,344,497

CSS custom property--colour: #424AB1;

Brightness & contrast

Relative luminance0.0923WCAG 2.x, 0 is black and 1 is white

Perceived brightness89.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.38:1

Contrast with white7.38:1WCAG normal text: AAA

Contrast with black2.85:1WCAG normal text: Fail

Greyscale equivalent#505050

Inverted#BDB54E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005BB4no red cones; affects about 1% of men; ΔE 16.9 from the original

Deuteranopia#0051AFno green cones; the most common form, about 1% of men; ΔE 11.8 from the original

Tritanopia#006376no blue cones; rare, and affects men and women equally; ΔE 60.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text7.38:1WCAG large text: AAA

Contrast with black, large text2.85:1WCAG large text: Fail

Named colours

Slate blue · ΔE 11.4 Royal blue · ΔE 15 Dark slateblue · ΔE 15.3 Rebecca purple · ΔE 16.7 Medium purple · ΔE 20.9 Midnight blue · ΔE 21.7

Nearest named CSS colourSlate blue (#6A5ACD)ΔE 11.38, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B1A942

Analogous#4282B1, #7142B1

Triadic#B1424A, #4AB142

Split complementary#B17242, #82B142

Tetradic#B14282, #B1A942, #42B171

Tints, shades & saturation

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

Lighter +40%#D1D3EE

Lighter +30%#ACB0E0

Lighter +20%#878CD2

Lighter +10%#6269C4

Darker −10%#343A8C

Darker −20%#262B67

Darker −30%#181B42

Darker −40%#0B0C1C

More saturated +25%#2430CF

Less saturated −25%#606493

Channel breakdown

R66

G74

B177

Red66 (25.9%)

Green74 (29%)

Blue177 (69.4%)

Hue235.68°

Saturation (HSL)45.68%

Lightness47.65%

Dominant channelBlue

Hex per channelR 42 · G 4A · B B1

Keep nerding

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

#424AB1

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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