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Recognised as Colour

#3164B2

  • #3164B2
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3164B2 is a blue with RGB values 49, 100, 178 and HSL 216°, 57%, 45%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3164B2#3164B2
HEX#3164B2
RGBrgb(49, 100, 178)
RGB (0–1)0.1922, 0.3922, 0.698
RGB percentages19.2%, 39.2%, 69.8%
HSLhsl(216.3, 56.8%, 44.5%)
HSV / HSBhsv(216.3, 72.5%, 69.8%)
CMYK72.5%, 43.8%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,237,042
CSS custom property--colour: #3164B2;

Brightness & contrast

Relative luminance0.12982WCAG 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 5.84:1
Contrast with white5.84:1WCAG normal text: AA
Contrast with black3.6:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#CE9B4D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E6BB5no red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#265FB0no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#007682no blue cones; rare, and affects men and women equally; ΔE 46.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.84:1WCAG large text: AAA
Contrast with black, large text3.6:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 19.4Dark slateblue · ΔE 20.5Steel blue · ΔE 22.3Dodgerblue · ΔE 23.7Royal blue · ΔE 25.4Slate blue · ΔE 28.5
Nearest named CSS colourCornflower blue (#6495ED)ΔE 19.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B27F31
Analogous#31A4B2, #3F31B2
Triadic#B23164, #64B231
Split complementary#B23F31, #A4B231
Tetradic#B231A4, #B27F31, #31B23F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C1D3EE
Lighter +30%#99B6E3
Lighter +20%#719AD8
Lighter +10%#497DCD
Darker −10%#264E8A
Darker −20%#1B3762
Darker −30%#10213A
Darker −40%#050A12
More saturated +25%#155ECE
Less saturated −25%#4D6A96

Channel breakdown

R49
G100
B178
Red49 (19.2%)
Green100 (39.2%)
Blue178 (69.8%)
Hue216.28°
Saturation (HSL)56.83%
Lightness44.51%
Dominant channelBlue
Hex per channelR 31 · G 64 · B B2

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Every value on this page was computed from “3164b2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.