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Recognised as Colour

#406AB3

  • #406AB3
  • Blue
  • Dark
  • Nearest: Cornflower blue

#406AB3 is a blue with RGB values 64, 106, 179 and HSL 218°, 47%, 48%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#406AB3#406AB3
HEX#406AB3
RGBrgb(64, 106, 179)
RGB (0–1)0.251, 0.4157, 0.702
RGB percentages25.1%, 41.6%, 70.2%
HSLhsl(218.1, 47.3%, 47.6%)
HSV / HSBhsv(218.1, 64.2%, 70.2%)
CMYK64.2%, 40.8%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,221,619
CSS custom property--colour: #406AB3;

Brightness & contrast

Relative luminance0.14653WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.34:1
Contrast with white5.34:1WCAG normal text: AA
Contrast with black3.93:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#BF954C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4971B6no red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#3866B1no green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#007B86no blue cones; rare, and affects men and women equally; ΔE 44.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.34:1WCAG large text: AAA
Contrast with black, large text3.93:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 17.9Steel blue · ΔE 18.6Dark slateblue · ΔE 22.3Dodgerblue · ΔE 24.7Royal blue · ΔE 28.2Medium purple · ΔE 30.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 17.86, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B38940
Analogous#40A3B3, #5040B3
Triadic#B3406A, #6AB340
Split complementary#B34F40, #A3B340
Tetradic#B340A3, #B38940, #40B34F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1DBEE
Lighter +30%#ABBFE1
Lighter +20%#85A2D4
Lighter +10%#6085C6
Darker −10%#33548D
Darker −20%#253E68
Darker −30%#182742
Darker −40%#0A111D
More saturated +25%#2262D1
Less saturated −25%#5E7295

Channel breakdown

R64
G106
B179
Red64 (25.1%)
Green106 (41.6%)
Blue179 (70.2%)
Hue218.09°
Saturation (HSL)47.33%
Lightness47.65%
Dominant channelBlue
Hex per channelR 40 · G 6A · B B3

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Every value on this page was computed from “406ab3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.