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Recognised as Colour

#3365B2

  • #3365B2
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3365B2 is a blue with RGB values 51, 101, 178 and HSL 216°, 55%, 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

#3365B2#3365B2
HEX#3365B2
RGBrgb(51, 101, 178)
RGB (0–1)0.2, 0.3961, 0.698
RGB percentages20%, 39.6%, 69.8%
HSLhsl(216.4, 55.5%, 44.9%)
HSV / HSBhsv(216.4, 71.3%, 69.8%)
CMYK71.3%, 43.3%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,368,370
CSS custom property--colour: #3365B2;

Brightness & contrast

Relative luminance0.13226WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.76:1
Contrast with white5.76:1WCAG normal text: AA
Contrast with black3.65:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#CC9A4D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#406CB5no red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#2A60B0no 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 45.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.76:1WCAG large text: AAA
Contrast with black, large text3.65:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 19.1Dark slateblue · ΔE 20.8Steel blue · ΔE 21.5Dodgerblue · ΔE 23.9Royal blue · ΔE 26Slate blue · ΔE 29
Nearest named CSS colourCornflower blue (#6495ED)ΔE 19.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B28033
Analogous#33A4B2, #4133B2
Triadic#B23365, #65B233
Split complementary#B24133, #A4B233
Tetradic#B233A4, #B28033, #33B241

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3D4EE
Lighter +30%#9CB7E2
Lighter +20%#749BD7
Lighter +10%#4C7ECC
Darker −10%#284F8A
Darker −20%#1C3863
Darker −30%#11223B
Darker −40%#060B13
More saturated +25%#165FCF
Less saturated −25%#506B95

Channel breakdown

R51
G101
B178
Red51 (20%)
Green101 (39.6%)
Blue178 (69.8%)
Hue216.38°
Saturation (HSL)55.46%
Lightness44.9%
Dominant channelBlue
Hex per channelR 33 · G 65 · B B2

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Every value on this page was computed from “3365b2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.