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Recognised as Colour

#3669BA

  • #3669BA
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3669BA is a blue with RGB values 54, 105, 186 and HSL 217°, 55%, 47%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3669BA#3669BA
HEX#3669BA
RGBrgb(54, 105, 186)
RGB (0–1)0.2118, 0.4118, 0.7294
RGB percentages21.2%, 41.2%, 72.9%
HSLhsl(216.8, 55%, 47.1%)
HSV / HSBhsv(216.8, 71%, 72.9%)
CMYK71%, 43.5%, 0%, 27.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,566,010
CSS custom property--colour: #3669BA;

Brightness & contrast

Relative luminance0.14433WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.4:1
Contrast with white5.4:1WCAG normal text: AA
Contrast with black3.89:1WCAG normal text: Fail
Greyscale equivalent#646464
Inverted#C99645

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4271BDno red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#2A64B8no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#007C88no blue cones; rare, and affects men and women equally; ΔE 47.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.4:1WCAG large text: AAA
Contrast with black, large text3.89:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 17.2Dodgerblue · ΔE 21.4Dark slateblue · ΔE 21.7Steel blue · ΔE 22.6Royal blue · ΔE 23.7Slate blue · ΔE 27.4
Nearest named CSS colourCornflower blue (#6495ED)ΔE 17.19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BA8736
Analogous#36ABBA, #4536BA
Triadic#BA3669, #69BA36
Split complementary#BA4536, #ABBA36
Tetradic#BA36AB, #BA8736, #36BA45

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCDAF0
Lighter +30%#A4BDE5
Lighter +20%#7DA1D9
Lighter +10%#5584CE
Darker −10%#2B5392
Darker −20%#1F3C6B
Darker −30%#142643
Darker −40%#08101C
More saturated +25%#1862D8
Less saturated −25%#54709C

Channel breakdown

R54
G105
B186
Red54 (21.2%)
Green105 (41.2%)
Blue186 (72.9%)
Hue216.82°
Saturation (HSL)55%
Lightness47.06%
Dominant channelBlue
Hex per channelR 36 · G 69 · B BA

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Every value on this page was computed from “3669ba” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.