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Recognised as Colour

#3080BB

  • #3080BB
  • Blue
  • Dark
  • Nearest: Steel blue

#3080BB is a blue with RGB values 48, 128, 187 and HSL 205°, 59%, 46%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3080BB#3080BB
HEX#3080BB
RGBrgb(48, 128, 187)
RGB (0–1)0.1882, 0.502, 0.7333
RGB percentages18.8%, 50.2%, 73.3%
HSLhsl(205.5, 59.1%, 46.1%)
HSV / HSBhsv(205.5, 74.3%, 73.3%)
CMYK74.3%, 31.6%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,178,683
CSS custom property--colour: #3080BB;

Brightness & contrast

Relative luminance0.19655WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.93:1
Contrast with white4.26:1WCAG normal text: Fail
Contrast with black4.93:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#CF7F44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6582BEno red cones; affects about 1% of men; ΔE 11.1 from the original
Deuteranopia#5275BAno green cones; the most common form, about 1% of men; ΔE 12.6 from the original
Tritanopia#008E95no blue cones; rare, and affects men and women equally; ΔE 35.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.26:1WCAG large text: AA
Contrast with black, large text4.93:1WCAG large text: AAA

Named colours

Steel blue · ΔE 5.8Cornflower blue · ΔE 20.5Deep skyblue · ΔE 25.5Light slate grey · ΔE 27.2Slate grey · ΔE 27.4Dodgerblue · ΔE 30.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 5.77, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB6B30
Analogous#30BBB1, #303ABB
Triadic#BB3080, #80BB30
Split complementary#BB303A, #BBB030
Tetradic#B130BB, #BB6B30, #3BBB30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7DFF0
Lighter +30%#9EC7E6
Lighter +20%#75B0DC
Lighter +10%#4D99D1
Darker −10%#266492
Darker −20%#1B486A
Darker −30%#112D41
Darker −40%#061119
More saturated +25%#1384D8
Less saturated −25%#4D7C9E

Channel breakdown

R48
G128
B187
Red48 (18.8%)
Green128 (50.2%)
Blue187 (73.3%)
Hue205.47°
Saturation (HSL)59.15%
Lightness46.08%
Dominant channelBlue
Hex per channelR 30 · G 80 · B BB

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Every value on this page was computed from “3080bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.