Colour

#475C8B

#475C8B
Blue
Dark
Nearest: Steel blue

#475C8B is a blue with RGB values 71, 92, 139 and HSL 221°, 32%, 41%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#475C8B#475C8B

HEX#475C8B

RGBrgb(71, 92, 139)

RGB (0–1)0.2784, 0.3608, 0.5451

RGB percentages27.8%, 36.1%, 54.5%

HSLhsl(221.5, 32.4%, 41.2%)

HSV / HSBhsv(221.5, 48.9%, 54.5%)

CMYK48.9%, 33.8%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,676,747

CSS custom property--colour: #475C8B;

Brightness & contrast

Relative luminance0.10858WCAG 2.x, 0 is black and 1 is white

Perceived brightness93.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.62:1

Contrast with white6.62:1WCAG normal text: AA

Contrast with black3.17:1WCAG normal text: Fail

Greyscale equivalent#5B5B5B

Inverted#B8A374

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4A608Dno red cones; affects about 1% of men; ΔE 2.1 from the original

Deuteranopia#435A8Ano green cones; the most common form, about 1% of men; ΔE 1.2 from the original

Tritanopia#2C666Dno blue cones; rare, and affects men and women equally; ΔE 29.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.62:1WCAG large text: AAA

Contrast with black, large text3.17:1WCAG large text: AA

Named colours

Steel blue · ΔE 16.8 Slate grey · ΔE 23.8 Light slate grey · ΔE 25.4 Dark slateblue · ΔE 25.8 Dim grey · ΔE 29.6 Cornflower blue · ΔE 30.9

Nearest named CSS colourSteel blue (#4682B4)ΔE 16.8, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8B7647

Analogous#477E8B, #54478B

Triadic#8B475C, #5C8B47

Split complementary#8B5447, #7E8B47

Tetradic#8B477E, #8B7647, #478B54

Tints, shades & saturation

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

Lighter +40%#BFC9DF

Lighter +30%#9EACCD

Lighter +20%#7C90BC

Lighter +10%#5A73AB

Darker −10%#364669

Darker −20%#252F47

Darker −30%#131926

Darker −40%#020304

More saturated +25%#2D52A5

Less saturated −25%#616671

Channel breakdown

R71

G92

B139

Red71 (27.8%)

Green92 (36.1%)

Blue139 (54.5%)

Hue221.47°

Saturation (HSL)32.38%

Lightness41.18%

Dominant channelBlue

Hex per channelR 47 · G 5C · B 8B

Keep nerding

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

#475C8B

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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