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Recognised as Colour

#406AB4

  • #406AB4
  • Blue
  • Dark
  • Nearest: Cornflower blue

#406AB4 is a blue with RGB values 64, 106, 180 and HSL 218°, 48%, 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

#406AB4#406AB4
HEX#406AB4
RGBrgb(64, 106, 180)
RGB (0–1)0.251, 0.4157, 0.7059
RGB percentages25.1%, 41.6%, 70.6%
HSLhsl(218.3, 47.5%, 47.8%)
HSV / HSBhsv(218.3, 64.4%, 70.6%)
CMYK64.4%, 41.1%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,221,620
CSS custom property--colour: #406AB4;

Brightness & contrast

Relative luminance0.14693WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.3 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#666666
Inverted#BF954B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4971B7no red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#3766B2no green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#007B86no blue cones; rare, and affects men and women equally; ΔE 44.8 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

Cornflower blue · ΔE 17.6Steel blue · ΔE 19.1Dark slateblue · ΔE 22.1Dodgerblue · ΔE 24.3Royal blue · ΔE 27.6Medium purple · ΔE 29.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 17.64, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B48A40
Analogous#40A4B4, #5040B4
Triadic#B4406A, #6AB440
Split complementary#B45040, #A4B440
Tetradic#B440A4, #B48A40, #40B450

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1DCEF
Lighter +30%#ACBFE1
Lighter +20%#86A2D4
Lighter +10%#6085C7
Darker −10%#33548E
Darker −20%#253E69
Darker −30%#182843
Darker −40%#0A111E
More saturated +25%#2262D3
Less saturated −25%#5F7296

Channel breakdown

R64
G106
B180
Red64 (25.1%)
Green106 (41.6%)
Blue180 (70.6%)
Hue218.28°
Saturation (HSL)47.54%
Lightness47.84%
Dominant channelBlue
Hex per channelR 40 · G 6A · B B4

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Every value on this page was computed from “406ab4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.