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Recognised as Colour

#3964BA

  • #3964BA
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3964BA is a blue with RGB values 57, 100, 186 and HSL 220°, 53%, 48%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3964BA#3964BA
HEX#3964BA
RGBrgb(57, 100, 186)
RGB (0–1)0.2235, 0.3922, 0.7294
RGB percentages22.4%, 39.2%, 72.9%
HSLhsl(220, 53.1%, 47.6%)
HSV / HSBhsv(220, 69.4%, 72.9%)
CMYK69.4%, 46.2%, 0%, 27.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,761,338
CSS custom property--colour: #3964BA;

Brightness & contrast

Relative luminance0.13529WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.67:1
Contrast with white5.67:1WCAG normal text: AA
Contrast with black3.71:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#C69B45

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#386DBDno red cones; affects about 1% of men; ΔE 6 from the original
Deuteranopia#1E61B8no green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#007886no blue cones; rare, and affects men and women equally; ΔE 50.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.67:1WCAG large text: AAA
Contrast with black, large text3.71:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 19Dark slateblue · ΔE 19.1Royal blue · ΔE 20.1Dodgerblue · ΔE 21.3Slate blue · ΔE 23.4Medium purple · ΔE 25.4
Nearest named CSS colourCornflower blue (#6495ED)ΔE 19.01, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BA8F39
Analogous#39A4BA, #4F39BA
Triadic#BA3964, #64BA39
Split complementary#BA4E39, #A4BA39
Tetradic#BA39A4, #BA8F39, #39BA4E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFDAF0
Lighter +30%#A8BCE4
Lighter +20%#819ED8
Lighter +10%#5A80CC
Darker −10%#2D4F93
Darker −20%#213A6C
Darker −30%#152545
Darker −40%#09101E
More saturated +25%#1B5AD8
Less saturated −25%#576E9C

Channel breakdown

R57
G100
B186
Red57 (22.4%)
Green100 (39.2%)
Blue186 (72.9%)
Hue220°
Saturation (HSL)53.09%
Lightness47.65%
Dominant channelBlue
Hex per channelR 39 · G 64 · B BA

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Every value on this page was computed from “3964ba” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.