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Recognised as Colour

#3772CC

  • #3772CC
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3772CC is a blue with RGB values 55, 114, 204 and HSL 216°, 59%, 51%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3772CC#3772CC
HEX#3772CC
RGBrgb(55, 114, 204)
RGB (0–1)0.2157, 0.4471, 0.8
RGB percentages21.6%, 44.7%, 80%
HSLhsl(216.2, 59.4%, 50.8%)
HSV / HSBhsv(216.2, 73%, 80%)
CMYK73%, 44.1%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,633,868
CSS custom property--colour: #3772CC;

Brightness & contrast

Relative luminance0.17206WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.73:1
Contrast with white4.73:1WCAG normal text: AA
Contrast with black4.44:1WCAG normal text: Fail
Greyscale equivalent#6C6C6C
Inverted#C88D33

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#457BCFno red cones; affects about 1% of men; ΔE 5.4 from the original
Deuteranopia#286DCAno green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#008795no blue cones; rare, and affects men and women equally; ΔE 51.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.73:1WCAG large text: AAA
Contrast with black, large text4.44:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 13.9Dodgerblue · ΔE 15.7Royal blue · ΔE 19.6Dark slateblue · ΔE 25Slate blue · ΔE 25.2Steel blue · ΔE 25.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.92, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CC9137
Analogous#37BCCC, #4737CC
Triadic#CC3772, #72CC37
Split complementary#CC4737, #BCCC37
Tetradic#CC37BC, #CC9137, #37CC47

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DAE5F5
Lighter +30%#B1C8EB
Lighter +20%#88ABE1
Lighter +10%#608FD6
Darker −10%#2A5BA6
Darker −20%#20457D
Darker −30%#162E54
Darker −40%#0B182C
More saturated +25%#186BEB
Less saturated −25%#5679AD

Channel breakdown

R55
G114
B204
Red55 (21.6%)
Green114 (44.7%)
Blue204 (80%)
Hue216.24°
Saturation (HSL)59.36%
Lightness50.78%
Dominant channelBlue
Hex per channelR 37 · G 72 · B CC

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Every value on this page was computed from “3772cc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.