Colour

#4040BE

#4040BE
Blue
Dark
Nearest: Slate blue

#4040BE is a blue with RGB values 64, 64, 190 and HSL 240°, 50%, 50%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#4040BE#4040BE

HEX#4040BE

RGBrgb(64, 64, 190)

RGB (0–1)0.251, 0.251, 0.7451

RGB percentages25.1%, 25.1%, 74.5%

HSLhsl(240, 49.6%, 49.8%)

HSV / HSBhsv(240, 66.3%, 74.5%)

CMYK66.3%, 66.3%, 0%, 25.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,210,878

CSS custom property--colour: #4040BE;

Brightness & contrast

Relative luminance0.08474WCAG 2.x, 0 is black and 1 is white

Perceived brightness88 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.79:1

Contrast with white7.79:1WCAG normal text: AAA

Contrast with black2.69:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#BFBF41

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0058C2no red cones; affects about 1% of men; ΔE 20.2 from the original

Deuteranopia#004DBCno green cones; the most common form, about 1% of men; ΔE 14.5 from the original

Tritanopia#006179no blue cones; rare, and affects men and women equally; ΔE 71.2 from the original

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

Contrast with white, large text7.79:1WCAG large text: AAA

Contrast with black, large text2.69:1WCAG large text: Fail

Named colours

Slate blue · ΔE 13.8 Medium slateblue · ΔE 17.3 Royal blue · ΔE 18.5 Rebecca purple · ΔE 19.3 Indigo · ΔE 22.8 Dark blue · ΔE 23.1

Nearest named CSS colourSlate blue (#6A5ACD)ΔE 13.77, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BEBE40

Analogous#407FBE, #7F40BE

Triadic#BE4040, #40BE40

Split complementary#BE7F40, #7FBE40

Tetradic#BE407F, #BEBE40, #40BE7F

Tints, shades & saturation

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

Lighter +40%#D8D8F2

Lighter +30%#B2B2E5

Lighter +20%#8C8CD8

Lighter +10%#6666CB

Darker −10%#333398

Darker −20%#262672

Darker −30%#19194C

Darker −40%#0D0D25

More saturated +25%#2020DE

Less saturated −25%#60609E

Channel breakdown

R64

G64

B190

Red64 (25.1%)

Green64 (25.1%)

Blue190 (74.5%)

Hue240°

Saturation (HSL)49.61%

Lightness49.8%

Dominant channelBlue

Hex per channelR 40 · G 40 · B BE

Keep nerding

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

#4040BE

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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