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Recognised as Colour

#3473BB

  • #3473BB
  • Blue
  • Dark
  • Nearest: Steel blue

#3473BB is a blue with RGB values 52, 115, 187 and HSL 212°, 56%, 47%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3473BB#3473BB
HEX#3473BB
RGBrgb(52, 115, 187)
RGB (0–1)0.2039, 0.451, 0.7333
RGB percentages20.4%, 45.1%, 73.3%
HSLhsl(212, 56.5%, 46.9%)
HSV / HSBhsv(212, 72.2%, 73.3%)
CMYK72.2%, 38.5%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,437,499
CSS custom property--colour: #3473BB;

Brightness & contrast

Relative luminance0.16579WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.87:1
Contrast with white4.87:1WCAG normal text: AA
Contrast with black4.32:1WCAG normal text: Fail
Greyscale equivalent#6B6B6B
Inverted#CB8C44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5278BEno red cones; affects about 1% of men; ΔE 5.3 from the original
Deuteranopia#3D6BBAno green cones; the most common form, about 1% of men; ΔE 6.9 from the original
Tritanopia#00848Eno blue cones; rare, and affects men and women equally; ΔE 42.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.87:1WCAG large text: AAA
Contrast with black, large text4.32:1WCAG large text: AA

Named colours

Steel blue · ΔE 15.1Cornflower blue · ΔE 16.1Dodgerblue · ΔE 23.5Dark slateblue · ΔE 27.6Royal blue · ΔE 30.7Deep skyblue · ΔE 33.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.05, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB7C34
Analogous#34B6BB, #3934BB
Triadic#BB3473, #73BB34
Split complementary#BB3934, #B6BB34
Tetradic#BB34B6, #BB7C34, #34BB39

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBDCF0
Lighter +30%#A3C2E5
Lighter +20%#7BA7DA
Lighter +10%#538DCF
Darker −10%#295A93
Darker −20%#1E426B
Darker −30%#132943
Darker −40%#08111B
More saturated +25%#1671D9
Less saturated −25%#52759D

Channel breakdown

R52
G115
B187
Red52 (20.4%)
Green115 (45.1%)
Blue187 (73.3%)
Hue212°
Saturation (HSL)56.49%
Lightness46.86%
Dominant channelBlue
Hex per channelR 34 · G 73 · B BB

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Every value on this page was computed from “3473bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.