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Recognised as Colour

#164ACC

  • #164ACC
  • Blue
  • Dark
  • Nearest: Royal blue

#164ACC is a blue with RGB values 22, 74, 204 and HSL 223°, 81%, 44%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#164ACC#164ACC
HEX#164ACC
RGBrgb(22, 74, 204)
RGB (0–1)0.0863, 0.2902, 0.8
RGB percentages8.6%, 29%, 80%
HSLhsl(222.9, 80.5%, 44.3%)
HSV / HSBhsv(222.9, 89.2%, 80%)
CMYK89.2%, 63.7%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,460,940
CSS custom property--colour: #164ACC;

Brightness & contrast

Relative luminance0.09428WCAG 2.x, 0 is black and 1 is white
Perceived brightness90 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.28:1
Contrast with white7.28:1WCAG normal text: AAA
Contrast with black2.89:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#E9B533

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005FD0no red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#004ECAno green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#006D84no blue cones; rare, and affects men and women equally; ΔE 73.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.28:1WCAG large text: AAA
Contrast with black, large text2.89:1WCAG large text: Fail

Named colours

Royal blue · ΔE 15Slate blue · ΔE 16.1Medium slateblue · ΔE 17.7Rebecca purple · ΔE 25.9Dark blue · ΔE 27.3Navy · ΔE 28
Nearest named CSS colourRoyal blue (#4169E1)ΔE 15.01, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CC9816
Analogous#16A5CC, #3D16CC
Triadic#CC164A, #4ACC16
Split complementary#CC3D16, #A5CC16
Tetradic#CC16A5, #CC9816, #16CC3D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B7C9F7
Lighter +30%#89A7F2
Lighter +20%#5B85ED
Lighter +10%#2D62E8
Darker −10%#11399E
Darker −20%#0C2970
Darker −30%#071842
Darker −40%#020714
More saturated +25%#0041E2
Less saturated −25%#3256B0

Channel breakdown

R22
G74
B204
Red22 (8.6%)
Green74 (29%)
Blue204 (80%)
Hue222.86°
Saturation (HSL)80.53%
Lightness44.31%
Dominant channelBlue
Hex per channelR 16 · G 4A · B CC

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Every value on this page was computed from “164acc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.