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Colour

#3378BA

  • #3378BA
  • Blue
  • Dark
  • Nearest: Steel blue

#3378BA is a blue with RGB values 51, 120, 186 and HSL 209°, 57%, 46%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3378BA#3378BA
HEX#3378BA
RGBrgb(51, 120, 186)
RGB (0–1)0.2, 0.4706, 0.7294
RGB percentages20%, 47.1%, 72.9%
HSLhsl(209.3, 57%, 46.5%)
HSV / HSBhsv(209.3, 72.6%, 72.9%)
CMYK72.6%, 35.5%, 0%, 27.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,373,242
CSS custom property--colour: #3378BA;

Brightness & contrast

Relative luminance0.17682WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.63:1
Contrast with white4.63:1WCAG normal text: AA
Contrast with black4.54:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#CC8745

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5A7CBDno red cones; affects about 1% of men; ΔE 7.4 from the original
Deuteranopia#466FB9no green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#008890no blue cones; rare, and affects men and women equally; ΔE 39.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.63:1WCAG large text: AAA
Contrast with black, large text4.54:1WCAG large text: AAA

Named colours

Steel blue · ΔE 10.6Cornflower blue · ΔE 17.5Dodgerblue · ΔE 26.3Deep skyblue · ΔE 29.9Slate grey · ΔE 30.8Light slate grey · ΔE 30.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.58, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BA7533
Analogous#33BAB9, #3334BA
Triadic#BA3378, #78BA33
Split complementary#BA3334, #BAB933
Tetradic#B933BA, #BA7533, #34BA33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9DDF0
Lighter +30%#A1C4E5
Lighter +20%#79ABDA
Lighter +10%#5191CF
Darker −10%#285E92
Darker −20%#1D446A
Darker −30%#122B42
Darker −40%#07111A
More saturated +25%#1579D8
Less saturated −25%#51779C

Channel breakdown

R51
G120
B186
Red51 (20%)
Green120 (47.1%)
Blue186 (72.9%)
Hue209.33°
Saturation (HSL)56.96%
Lightness46.47%
Dominant channelBlue
Hex per channelR 33 · G 78 · B BA

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Every value on this page was computed from “3378ba” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.