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Recognised as Colour

#3083BB

  • #3083BB
  • Blue
  • Dark
  • Nearest: Steel blue

#3083BB is a blue with RGB values 48, 131, 187 and HSL 204°, 59%, 46%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3083BB#3083BB
HEX#3083BB
RGBrgb(48, 131, 187)
RGB (0–1)0.1882, 0.5137, 0.7333
RGB percentages18.8%, 51.4%, 73.3%
HSLhsl(204.2, 59.1%, 46.1%)
HSV / HSBhsv(204.2, 74.3%, 73.3%)
CMYK74.3%, 29.9%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,179,451
CSS custom property--colour: #3083BB;

Brightness & contrast

Relative luminance0.20449WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.09:1
Contrast with white4.13:1WCAG normal text: Fail
Contrast with black5.09:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#CF7C44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6984BDno red cones; affects about 1% of men; ΔE 12.3 from the original
Deuteranopia#5677BAno green cones; the most common form, about 1% of men; ΔE 14 from the original
Tritanopia#009197no blue cones; rare, and affects men and women equally; ΔE 33.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.13:1WCAG large text: AA
Contrast with black, large text5.09:1WCAG large text: AAA

Named colours

Steel blue · ΔE 4.6Cornflower blue · ΔE 22.1Deep skyblue · ΔE 24.2Light slate grey · ΔE 25.9Slate grey · ΔE 26.2Light skyblue · ΔE 29
Nearest named CSS colourSteel blue (#4682B4)ΔE 4.62, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB6830
Analogous#30BBAD, #303EBB
Triadic#BB3083, #83BB30
Split complementary#BB303D, #BBAD30
Tetradic#AE30BB, #BB6830, #3EBB30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7E0F0
Lighter +30%#9EC9E6
Lighter +20%#75B2DC
Lighter +10%#4D9CD1
Darker −10%#266792
Darker −20%#1B4A6A
Darker −30%#112E41
Darker −40%#061119
More saturated +25%#1389D8
Less saturated −25%#4D7D9E

Channel breakdown

R48
G131
B187
Red48 (18.8%)
Green131 (51.4%)
Blue187 (73.3%)
Hue204.17°
Saturation (HSL)59.15%
Lightness46.08%
Dominant channelBlue
Hex per channelR 30 · G 83 · B BB

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Every value on this page was computed from “3083bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.