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Recognised as Colour

#406CAA

  • #406CAA
  • Blue
  • Dark
  • Nearest: Steel blue

#406CAA is a blue with RGB values 64, 108, 170 and HSL 215°, 45%, 46%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#406CAA#406CAA
HEX#406CAA
RGBrgb(64, 108, 170)
RGB (0–1)0.251, 0.4235, 0.6667
RGB percentages25.1%, 42.4%, 66.7%
HSLhsl(215.1, 45.3%, 45.9%)
HSV / HSBhsv(215.1, 62.4%, 66.7%)
CMYK62.4%, 36.5%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,222,122
CSS custom property--colour: #406CAA;

Brightness & contrast

Relative luminance0.14717WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.33:1
Contrast with white5.33:1WCAG normal text: AA
Contrast with black3.94:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#BF9355

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5171ADno red cones; affects about 1% of men; ΔE 3.7 from the original
Deuteranopia#4367A9no green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#007A83no blue cones; rare, and affects men and women equally; ΔE 38.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.33:1WCAG large text: AAA
Contrast with black, large text3.94:1WCAG large text: AA

Named colours

Steel blue · ΔE 12.6Cornflower blue · ΔE 20.8Dark slateblue · ΔE 26.2Slate grey · ΔE 29Light slate grey · ΔE 29.5Dodgerblue · ΔE 29.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.58, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA7E40
Analogous#40A1AA, #4940AA
Triadic#AA406C, #6CAA40
Split complementary#AA4940, #A1AA40
Tetradic#AA40A1, #AA7E40, #40AA49

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBD8EB
Lighter +30%#A6BDDD
Lighter +20%#81A1CF
Lighter +10%#5C86C1
Darker −10%#325485
Darker −20%#243D60
Darker −30%#16253B
Darker −40%#080E16
More saturated +25%#2367C7
Less saturated −25%#5D718D

Channel breakdown

R64
G108
B170
Red64 (25.1%)
Green108 (42.4%)
Blue170 (66.7%)
Hue215.09°
Saturation (HSL)45.3%
Lightness45.88%
Dominant channelBlue
Hex per channelR 40 · G 6C · B AA

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Every value on this page was computed from “406caa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.