Colour

#2F4755

#2F4755
Blue
Dark
Nearest: Dark slate grey

#2F4755 is a blue with RGB values 47, 71, 85 and HSL 202°, 29%, 26%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2F4755#2F4755

HEX#2F4755

RGBrgb(47, 71, 85)

RGB (0–1)0.1843, 0.2784, 0.3333

RGB percentages18.4%, 27.8%, 33.3%

HSLhsl(202.1, 28.8%, 25.9%)

HSV / HSBhsv(202.1, 44.7%, 33.3%)

CMYK44.7%, 16.5%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,098,453

CSS custom property--colour: #2F4755;

Brightness & contrast

Relative luminance0.05767WCAG 2.x, 0 is black and 1 is white

Perceived brightness66.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.75:1

Contrast with white9.75:1WCAG normal text: AAA

Contrast with black2.15:1WCAG normal text: Fail

Greyscale equivalent#434343

Inverted#D0B8AA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#404656no red cones; affects about 1% of men; ΔE 6.8 from the original

Deuteranopia#3B4255no green cones; the most common form, about 1% of men; ΔE 7.3 from the original

Tritanopia#204B4Bno blue cones; rare, and affects men and women equally; ΔE 11.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text9.75:1WCAG large text: AAA

Contrast with black, large text2.15:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.4 Dim grey · ΔE 19.9 Slate grey · ΔE 24.2 Light slate grey · ΔE 27.2 Gray · ΔE 27.7 Teal · ΔE 30.9

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.37, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#553D2F

Analogous#2F5550, #2F3455

Triadic#552F47, #47552F

Split complementary#552F34, #55502F

Tetradic#502F55, #553D2F, #34552F

Tints, shades & saturation

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

Lighter +40%#8FAFC1

Lighter +30%#6E97AF

Lighter +20%#537E97

Lighter +10%#416276

Darker −10%#1D2C34

Darker −20%#0B1013

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1E4B65

Less saturated −25%#3F4344

Channel breakdown

R47

G71

B85

Red47 (18.4%)

Green71 (27.8%)

Blue85 (33.3%)

Hue202.11°

Saturation (HSL)28.79%

Lightness25.88%

Dominant channelBlue

Hex per channelR 2F · G 47 · B 55

Keep nerding

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#2F4755

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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