Colour

#37476C

#37476C
Blue
Dark
Nearest: Steel blue

#37476C is a blue with RGB values 55, 71, 108 and HSL 222°, 33%, 32%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#37476C#37476C

HEX#37476C

RGBrgb(55, 71, 108)

RGB (0–1)0.2157, 0.2784, 0.4235

RGB percentages21.6%, 27.8%, 42.4%

HSLhsl(221.9, 32.5%, 32%)

HSV / HSBhsv(221.9, 49.1%, 42.4%)

CMYK49.1%, 34.3%, 0%, 57.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,622,764

CSS custom property--colour: #37476C;

Brightness & contrast

Relative luminance0.06401WCAG 2.x, 0 is black and 1 is white

Perceived brightness72.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.21:1

Contrast with white9.21:1WCAG normal text: AAA

Contrast with black2.28:1WCAG normal text: Fail

Greyscale equivalent#464646

Inverted#C8B893

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#394A6Eno red cones; affects about 1% of men; ΔE 1.5 from the original

Deuteranopia#34456Bno green cones; the most common form, about 1% of men; ΔE 1.2 from the original

Tritanopia#224F54no blue cones; rare, and affects men and women equally; ΔE 24.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text9.21:1WCAG large text: AAA

Contrast with black, large text2.28:1WCAG large text: Fail

Named colours

Steel blue · ΔE 25.3 Dark slate grey · ΔE 25.8 Slate grey · ΔE 26.8 Dim grey · ΔE 27.8 Dark slateblue · ΔE 28.2 Light slate grey · ΔE 29.2

Nearest named CSS colourSteel blue (#4682B4)ΔE 25.34, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6C5C37

Analogous#37626C, #41376C

Triadic#6C3747, #476C37

Split complementary#6C4237, #616C37

Tetradic#6C3762, #6C5C37, #376C42

Tints, shades & saturation

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

Lighter +40%#A0AECF

Lighter +30%#7E92BE

Lighter +20%#5D75AC

Lighter +10%#485D8E

Darker −10%#26314A

Darker −20%#151B28

Darker −30%#030407

Darker −40%#000000

More saturated +25%#233F80

Less saturated −25%#4B4F58

Channel breakdown

R55

G71

B108

Red55 (21.6%)

Green71 (27.8%)

Blue108 (42.4%)

Hue221.89°

Saturation (HSL)32.52%

Lightness31.96%

Dominant channelBlue

Hex per channelR 37 · G 47 · B 6C

Keep nerding

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#37476C

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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