Colour

#333F48

#333F48
Blue
Dark
Nearest: Dark slate grey

#333F48 is a blue with RGB values 51, 63, 72 and HSL 206°, 17%, 24%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#333F48#333F48

HEX#333F48

RGBrgb(51, 63, 72)

RGB (0–1)0.2, 0.2471, 0.2824

RGB percentages20%, 24.7%, 28.2%

HSLhsl(205.7, 17.1%, 24.1%)

HSV / HSBhsv(205.7, 29.2%, 28.2%)

CMYK29.2%, 12.5%, 0%, 71.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,358,536

CSS custom property--colour: #333F48;

Brightness & contrast

Relative luminance0.04727WCAG 2.x, 0 is black and 1 is white

Perceived brightness60.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.8:1

Contrast with white10.8:1WCAG normal text: AAA

Contrast with black1.95:1WCAG normal text: Fail

Greyscale equivalent#3D3D3D

Inverted#CCC0B7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3B3F48no red cones; affects about 1% of men; ΔE 3.3 from the original

Deuteranopia#383C48no green cones; the most common form, about 1% of men; ΔE 4 from the original

Tritanopia#2D4142no blue cones; rare, and affects men and women equally; ΔE 6.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.8:1WCAG large text: AAA

Contrast with black, large text1.95:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.2 Dim grey · ΔE 19.9 Black · ΔE 27 Slate grey · ΔE 27.1 Gray · ΔE 28.6 Light slate grey · ΔE 30.2

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.2, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#483C33

Analogous#334846, #333548

Triadic#48333F, #3F4833

Split complementary#483335, #484633

Tetradic#463348, #483C33, #354833

Tints, shades & saturation

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

Lighter +40%#94A6B3

Lighter +30%#768D9E

Lighter +20%#5D7384

Lighter +10%#485966

Darker −10%#1E252A

Darker −20%#090B0C

Darker −30%#000000

Darker −40%#000000

More saturated +25%#244157

Less saturated −25%#3E3E3E

Channel breakdown

R51

G63

B72

Red51 (20%)

Green63 (24.7%)

Blue72 (28.2%)

Hue205.71°

Saturation (HSL)17.07%

Lightness24.12%

Dominant channelBlue

Hex per channelR 33 · G 3F · B 48

Keep nerding

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

#333F48

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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