Colour

#404F71

#404F71
Blue
Dark
Nearest: Slate grey

#404F71 is a blue with RGB values 64, 79, 113 and HSL 222°, 28%, 35%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Slate grey.

Colour values

#404F71#404F71

HEX#404F71

RGBrgb(64, 79, 113)

RGB (0–1)0.251, 0.3098, 0.4431

RGB percentages25.1%, 31%, 44.3%

HSLhsl(221.6, 27.7%, 34.7%)

HSV / HSBhsv(221.6, 43.4%, 44.3%)

CMYK43.4%, 30.1%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,214,641

CSS custom property--colour: #404F71;

Brightness & contrast

Relative luminance0.07874WCAG 2.x, 0 is black and 1 is white

Perceived brightness79.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.16:1

Contrast with white8.16:1WCAG normal text: AAA

Contrast with black2.57:1WCAG normal text: Fail

Greyscale equivalent#4E4E4E

Inverted#BFB08E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#435272no red cones; affects about 1% of men; ΔE 1.8 from the original

Deuteranopia#3E4D70no green cones; the most common form, about 1% of men; ΔE 1.1 from the original

Tritanopia#2F565Bno blue cones; rare, and affects men and women equally; ΔE 21.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text8.16:1WCAG large text: AAA

Contrast with black, large text2.57:1WCAG large text: Fail

Named colours

Slate grey · ΔE 22.8 Steel blue · ΔE 23 Dark slate grey · ΔE 23.6 Dim grey · ΔE 24.2 Light slate grey · ΔE 25.2 Gray · ΔE 29.4

Nearest named CSS colourSlate grey (#708090)ΔE 22.76, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#716240

Analogous#406871, #494071

Triadic#71404F, #4F7140

Split complementary#714940, #687140

Tetradic#714068, #716240, #407149

Tints, shades & saturation

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

Lighter +40%#ADB8D0

Lighter +30%#8C9BBE

Lighter +20%#6C7FAB

Lighter +10%#526692

Darker −10%#2E3850

Darker −20%#1B2130

Darker −30%#090B0F

Darker −40%#000000

More saturated +25%#2A4687

Less saturated −25%#56585B

Channel breakdown

R64

G79

B113

Red64 (25.1%)

Green79 (31%)

Blue113 (44.3%)

Hue221.63°

Saturation (HSL)27.68%

Lightness34.71%

Dominant channelBlue

Hex per channelR 40 · G 4F · B 71

Keep nerding

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

#404F71

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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