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Recognised as Colour

#3165B2

  • #3165B2
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3165B2 is a blue with RGB values 49, 101, 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

#3165B2#3165B2
HEX#3165B2
RGBrgb(49, 101, 178)
RGB (0–1)0.1922, 0.3961, 0.698
RGB percentages19.2%, 39.6%, 69.8%
HSLhsl(215.8, 56.8%, 44.5%)
HSV / HSBhsv(215.8, 72.5%, 69.8%)
CMYK72.5%, 43.3%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,237,298
CSS custom property--colour: #3165B2;

Brightness & contrast

Relative luminance0.13175WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.78:1
Contrast with white5.78:1WCAG normal text: AA
Contrast with black3.63:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#CE9A4D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F6CB5no red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#2960B0no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#007783no blue cones; rare, and affects men and women equally; ΔE 45.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.78:1WCAG large text: AAA
Contrast with black, large text3.63:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 19.2Dark slateblue · ΔE 21Steel blue · ΔE 21.5Dodgerblue · ΔE 23.9Royal blue · ΔE 26.1Slate blue · ΔE 29.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 19.19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B27E31
Analogous#31A5B2, #3E31B2
Triadic#B23165, #65B231
Split complementary#B23E31, #A5B231
Tetradic#B231A5, #B27E31, #31B23E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C1D3EE
Lighter +30%#99B7E3
Lighter +20%#719BD8
Lighter +10%#497ECD
Darker −10%#264E8A
Darker −20%#1B3862
Darker −30%#10213A
Darker −40%#050A12
More saturated +25%#1560CE
Less saturated −25%#4D6A96

Channel breakdown

R49
G101
B178
Red49 (19.2%)
Green101 (39.6%)
Blue178 (69.8%)
Hue215.81°
Saturation (HSL)56.83%
Lightness44.51%
Dominant channelBlue
Hex per channelR 31 · G 65 · B B2

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Every value on this page was computed from “3165b2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.