Colour

#2F3548

#2F3548
Blue
Dark
Nearest: Dark slate grey

#2F3548 is a blue with RGB values 47, 53, 72 and HSL 226°, 21%, 23%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2F3548#2F3548

HEX#2F3548

RGBrgb(47, 53, 72)

RGB (0–1)0.1843, 0.2078, 0.2824

RGB percentages18.4%, 20.8%, 28.2%

HSLhsl(225.6, 21%, 23.3%)

HSV / HSBhsv(225.6, 34.7%, 28.2%)

CMYK34.7%, 26.4%, 0%, 71.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,093,832

CSS custom property--colour: #2F3548;

Brightness & contrast

Relative luminance0.03618WCAG 2.x, 0 is black and 1 is white

Perceived brightness53.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.18:1

Contrast with white12.18:1WCAG normal text: AAA

Contrast with black1.72:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#D0CAB7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2F3749no red cones; affects about 1% of men; ΔE 1.3 from the original

Deuteranopia#2D3548no green cones; the most common form, about 1% of men; ΔE 0.8 from the original

Tritanopia#28393Bno blue cones; rare, and affects men and women equally; ΔE 12.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.18:1WCAG large text: AAA

Contrast with black, large text1.72:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 19.2 Dim grey · ΔE 25.5 Black · ΔE 25.8 Slate grey · ΔE 30.9 Gray · ΔE 33.8 Light slate grey · ΔE 34

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.16, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#48422F

Analogous#2F4148, #362F48

Triadic#482F35, #35482F

Split complementary#48362F, #41482F

Tetradic#482F41, #48422F, #2F4836

Tints, shades & saturation

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

Lighter +40%#8E97B5

Lighter +30%#6F7BA1

Lighter +20%#576286

Lighter +10%#434C67

Darker −10%#1B1E29

Darker −20%#07080A

Darker −30%#000000

Darker −40%#000000

More saturated +25%#202D57

Less saturated −25%#3B3B3B

Channel breakdown

R47

G53

B72

Red47 (18.4%)

Green53 (20.8%)

Blue72 (28.2%)

Hue225.6°

Saturation (HSL)21.01%

Lightness23.33%

Dominant channelBlue

Hex per channelR 2F · G 35 · B 48

Keep nerding

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

#2F3548

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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