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Recognised as Colour

#475A85

  • #475A85
  • Blue
  • Dark
  • Nearest: Steel blue

#475A85 is a blue with RGB values 71, 90, 133 and HSL 222°, 30%, 40%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#475A85#475A85
HEX#475A85
RGBrgb(71, 90, 133)
RGB (0–1)0.2784, 0.3529, 0.5216
RGB percentages27.8%, 35.3%, 52.2%
HSLhsl(221.6, 30.4%, 40%)
HSV / HSBhsv(221.6, 46.6%, 52.2%)
CMYK46.6%, 32.3%, 0%, 47.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,676,229
CSS custom property--colour: #475A85;

Brightness & contrast

Relative luminance0.10345WCAG 2.x, 0 is black and 1 is white
Perceived brightness91 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.84:1
Contrast with white6.84:1WCAG normal text: AA
Contrast with black3.07:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#B8A57A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4A5E87no red cones; affects about 1% of men; ΔE 2.1 from the original
Deuteranopia#445884no green cones; the most common form, about 1% of men; ΔE 1.1 from the original
Tritanopia#306369no blue cones; rare, and affects men and women equally; ΔE 26.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.84:1WCAG large text: AAA
Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Steel blue · ΔE 17.8Slate grey · ΔE 22.5Light slate grey · ΔE 24.3Dark slateblue · ΔE 27.3Dim grey · ΔE 27.4Dark slate grey · ΔE 29.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 17.75, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#857247
Analogous#477985, #534785
Triadic#85475A, #5A8547
Split complementary#855347, #798547
Tetradic#854779, #857247, #478553

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BDC6DC
Lighter +30%#9BA9CA
Lighter +20%#7A8DB8
Lighter +10%#5970A6
Darker −10%#354364
Darker −20%#242D43
Darker −30%#121621
Darker −40%#000000
More saturated +25%#2E509F
Less saturated −25%#61646C

Channel breakdown

R71
G90
B133
Red71 (27.8%)
Green90 (35.3%)
Blue133 (52.2%)
Hue221.61°
Saturation (HSL)30.39%
Lightness40%
Dominant channelBlue
Hex per channelR 47 · G 5A · B 85

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Every value on this page was computed from “475a85” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.