Colour

#343C42

#343C42
Blue
Dark
Nearest: Dark slate grey

#343C42 is a blue with RGB values 52, 60, 66 and HSL 206°, 12%, 23%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#343C42#343C42

HEX#343C42

RGBrgb(52, 60, 66)

RGB (0–1)0.2039, 0.2353, 0.2588

RGB percentages20.4%, 23.5%, 25.9%

HSLhsl(205.7, 11.9%, 23.1%)

HSV / HSBhsv(205.7, 21.2%, 25.9%)

CMYK21.2%, 9.1%, 0%, 74.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,423,298

CSS custom property--colour: #343C42;

Brightness & contrast

Relative luminance0.04355WCAG 2.x, 0 is black and 1 is white

Perceived brightness58.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.22:1

Contrast with white11.22:1WCAG normal text: AAA

Contrast with black1.87:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#CBC3BD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3A3C42no red cones; affects about 1% of men; ΔE 2.6 from the original

Deuteranopia#383A42no green cones; the most common form, about 1% of men; ΔE 2.9 from the original

Tritanopia#303D3Eno blue cones; rare, and affects men and women equally; ΔE 4.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.22:1WCAG large text: AAA

Contrast with black, large text1.87:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.9 Dim grey · ΔE 20.3 Black · ΔE 25.3 Slate grey · ΔE 28.6 Gray · ΔE 29.2 Light slate grey · ΔE 31.7

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.9, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#423A34

Analogous#344241, #343542

Triadic#42343C, #3C4234

Split complementary#423435, #424134

Tetradic#413442, #423A34, #354234

Tints, shades & saturation

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

Lighter +40%#96A3AC

Lighter +30%#798A96

Lighter +20%#61707B

Lighter +10%#4A565F

Darker −10%#1E2225

Darker −20%#070809

Darker −30%#000000

Darker −40%#000000

More saturated +25%#253E51

Less saturated −25%#3B3B3B

Channel breakdown

R52

G60

B66

Red52 (20.4%)

Green60 (23.5%)

Blue66 (25.9%)

Hue205.71°

Saturation (HSL)11.86%

Lightness23.14%

Dominant channelBlue

Hex per channelR 34 · G 3C · B 42

Keep nerding

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

#343C42

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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