Colour

#475A83

#475A83
Blue
Dark
Nearest: Steel blue

#475A83 is a blue with RGB values 71, 90, 131 and HSL 221°, 30%, 40%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#475A83#475A83

HEX#475A83

RGBrgb(71, 90, 131)

RGB (0–1)0.2784, 0.3529, 0.5137

RGB percentages27.8%, 35.3%, 51.4%

HSLhsl(221, 29.7%, 39.6%)

HSV / HSBhsv(221, 45.8%, 51.4%)

CMYK45.8%, 31.3%, 0%, 48.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,676,227

CSS custom property--colour: #475A83;

Brightness & contrast

Relative luminance0.10291WCAG 2.x, 0 is black and 1 is white

Perceived brightness90.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.87:1

Contrast with white6.87:1WCAG normal text: AA

Contrast with black3.06:1WCAG normal text: Fail

Greyscale equivalent#595959

Inverted#B8A57C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4B5D85no red cones; affects about 1% of men; ΔE 1.5 from the original

Deuteranopia#455882no green cones; the most common form, about 1% of men; ΔE 1.1 from the original

Tritanopia#316369no blue cones; rare, and affects men and women equally; ΔE 25.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.87:1WCAG large text: AAA

Contrast with black, large text3.06:1WCAG large text: AA

Named colours

Steel blue · ΔE 17.9 Slate grey · ΔE 21.6 Light slate grey · ΔE 23.5 Dim grey · ΔE 26.3 Dark slate grey · ΔE 27.8 Dark slateblue · ΔE 28.4

Nearest named CSS colourSteel blue (#4682B4)ΔE 17.9, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#837047

Analogous#477883, #524783

Triadic#83475A, #5A8347

Split complementary#835247, #788347

Tetradic#834778, #837047, #478352

Tints, shades & saturation

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

Lighter +40%#BCC5DA

Lighter +30%#9AA9C9

Lighter +20%#798DB7

Lighter +10%#5971A4

Darker −10%#354362

Darker −20%#232D41

Darker −30%#111620

Darker −40%#000000

More saturated +25%#2E519C

Less saturated −25%#60636A

Channel breakdown

R71

G90

B131

Red71 (27.8%)

Green90 (35.3%)

Blue131 (51.4%)

Hue221°

Saturation (HSL)29.7%

Lightness39.61%

Dominant channelBlue

Hex per channelR 47 · G 5A · B 83

Keep nerding

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

#475A83

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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