Colour

#404C68

#404C68
Blue
Dark
Nearest: Dark slate grey

#404C68 is a blue with RGB values 64, 76, 104 and HSL 222°, 24%, 33%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#404C68#404C68

HEX#404C68

RGBrgb(64, 76, 104)

RGB (0–1)0.251, 0.298, 0.4078

RGB percentages25.1%, 29.8%, 40.8%

HSLhsl(222, 23.8%, 32.9%)

HSV / HSBhsv(222, 38.5%, 40.8%)

CMYK38.5%, 26.9%, 0%, 59.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,213,864

CSS custom property--colour: #404C68;

Brightness & contrast

Relative luminance0.07258WCAG 2.x, 0 is black and 1 is white

Perceived brightness76.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.57:1

Contrast with white8.57:1WCAG normal text: AAA

Contrast with black2.45:1WCAG normal text: Fail

Greyscale equivalent#4B4B4B

Inverted#BFB397

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#434E69no red cones; affects about 1% of men; ΔE 1.2 from the original

Deuteranopia#3F4B67no green cones; the most common form, about 1% of men; ΔE 0.4 from the original

Tritanopia#345256no blue cones; rare, and affects men and women equally; ΔE 17.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text8.57:1WCAG large text: AAA

Contrast with black, large text2.45:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 20.4 Dim grey · ΔE 21.7 Slate grey · ΔE 22.3 Light slate grey · ΔE 25 Steel blue · ΔE 25.7 Gray · ΔE 27.8

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.37, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#685C40

Analogous#406068, #484068

Triadic#68404C, #4C6840

Split complementary#684840, #606840

Tetradic#684060, #685C40, #406848

Tints, shades & saturation

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

Lighter +40%#AAB3CA

Lighter +30%#8A97B7

Lighter +20%#6A7CA4

Lighter +10%#536388

Darker −10%#2D3548

Darker −20%#191E29

Darker −30%#060709

Darker −40%#000000

More saturated +25%#2B447D

Less saturated −25%#545454

Channel breakdown

R64

G76

B104

Red64 (25.1%)

Green76 (29.8%)

Blue104 (40.8%)

Hue222°

Saturation (HSL)23.81%

Lightness32.94%

Dominant channelBlue

Hex per channelR 40 · G 4C · B 68

Keep nerding

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

#404C68

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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