Colour

#4064BF

#4064BF
Blue
Dark
Nearest: Royal blue

#4064BF is a blue with RGB values 64, 100, 191 and HSL 223°, 50%, 50%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#4064BF#4064BF

HEX#4064BF

RGBrgb(64, 100, 191)

RGB (0–1)0.251, 0.3922, 0.749

RGB percentages25.1%, 39.2%, 74.9%

HSLhsl(223, 49.8%, 50%)

HSV / HSBhsv(223, 66.5%, 74.9%)

CMYK66.5%, 47.6%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,220,095

CSS custom property--colour: #4064BF;

Brightness & contrast

Relative luminance0.13966WCAG 2.x, 0 is black and 1 is white

Perceived brightness106.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.54:1

Contrast with white5.54:1WCAG normal text: AA

Contrast with black3.79:1WCAG normal text: Fail

Greyscale equivalent#636363

Inverted#BF9B40

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#356FC2no red cones; affects about 1% of men; ΔE 8.5 from the original

Deuteranopia#1963BDno green cones; the most common form, about 1% of men; ΔE 5.3 from the original

Tritanopia#007988no blue cones; rare, and affects men and women equally; ΔE 53.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text5.54:1WCAG large text: AAA

Contrast with black, large text3.79:1WCAG large text: AA

Named colours

Royal blue · ΔE 16.8 Dark slateblue · ΔE 18.7 Cornflower blue · ΔE 19.5 Slate blue · ΔE 19.9 Dodgerblue · ΔE 20.5 Medium purple · ΔE 22.5

Nearest named CSS colourRoyal blue (#4169E1)ΔE 16.78, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BF9B40

Analogous#40A3BF, #5B40BF

Triadic#BF4064, #64BF40

Split complementary#BF5C40, #A3BF40

Tetradic#BF40A4, #BF9B40, #40BF5C

Tints, shades & saturation

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

Lighter +40%#D9E0F2

Lighter +30%#B3C1E5

Lighter +20%#8CA2D9

Lighter +10%#6683CC

Darker −10%#335099

Darker −20%#263C73

Darker −30%#1A284C

Darker −40%#0D1426

More saturated +25%#2056DF

Less saturated −25%#60729F

Channel breakdown

R64

G100

B191

Red64 (25.1%)

Green100 (39.2%)

Blue191 (74.9%)

Hue222.99°

Saturation (HSL)49.8%

Lightness50%

Dominant channelBlue

Hex per channelR 40 · G 64 · B BF

Keep nerding

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

#4064BF

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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