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Recognised as Colour

#4064A5

  • #4064A5
  • Blue
  • Dark
  • Nearest: Steel blue

#4064A5 is a blue with RGB values 64, 100, 165 and HSL 219°, 44%, 45%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4064A5#4064A5
HEX#4064A5
RGBrgb(64, 100, 165)
RGB (0–1)0.251, 0.3922, 0.6471
RGB percentages25.1%, 39.2%, 64.7%
HSLhsl(218.6, 44.1%, 44.9%)
HSV / HSBhsv(218.6, 61.2%, 64.7%)
CMYK61.2%, 39.4%, 0%, 35.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,220,069
CSS custom property--colour: #4064A5;

Brightness & contrast

Relative luminance0.12921WCAG 2.x, 0 is black and 1 is white
Perceived brightness101 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.86:1
Contrast with white5.86:1WCAG normal text: AA
Contrast with black3.58:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#BF9B5A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#486AA8no red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#3A60A4no green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#00737Cno blue cones; rare, and affects men and women equally; ΔE 41 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.86:1WCAG large text: AAA
Contrast with black, large text3.58:1WCAG large text: AA

Named colours

Steel blue · ΔE 16.9Dark slateblue · ΔE 21.9Cornflower blue · ΔE 21.9Dodgerblue · ΔE 29.7Slate grey · ΔE 31.7Light slate grey · ΔE 32.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 16.86, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A58140
Analogous#4096A5, #4F40A5
Triadic#A54064, #64A540
Split complementary#A54F40, #96A540
Tetradic#A54096, #A58140, #40A54F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8D4E9
Lighter +30%#A3B7DB
Lighter +20%#7E9ACD
Lighter +10%#597DBF
Darker −10%#324E80
Darker −20%#23375C
Darker −30%#152137
Darker −40%#070B12
More saturated +25%#235CC2
Less saturated −25%#5D6C88

Channel breakdown

R64
G100
B165
Red64 (25.1%)
Green100 (39.2%)
Blue165 (64.7%)
Hue218.61°
Saturation (HSL)44.1%
Lightness44.9%
Dominant channelBlue
Hex per channelR 40 · G 64 · B A5

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Every value on this page was computed from “4064a5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.