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Colour

#3B5589

  • #3B5589
  • Blue
  • Dark
  • Nearest: Steel blue

#3B5589 is a blue with RGB values 59, 85, 137 and HSL 220°, 40%, 38%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#3B5589#3B5589
HEX#3B5589
RGBrgb(59, 85, 137)
RGB (0–1)0.2314, 0.3333, 0.5373
RGB percentages23.1%, 33.3%, 53.7%
HSLhsl(220, 39.8%, 38.4%)
HSV / HSBhsv(220, 56.9%, 53.7%)
CMYK56.9%, 38%, 0%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,888,521
CSS custom property--colour: #3B5589;

Brightness & contrast

Relative luminance0.09233WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.38:1
Contrast with white7.38:1WCAG normal text: AAA
Contrast with black2.85:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#C4AA76

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#405A8Bno red cones; affects about 1% of men; ΔE 2.9 from the original
Deuteranopia#365288no green cones; the most common form, about 1% of men; ΔE 1.9 from the original
Tritanopia#0B6068no blue cones; rare, and affects men and women equally; ΔE 33.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.38:1WCAG large text: AAA
Contrast with black, large text2.85:1WCAG large text: Fail

Named colours

Steel blue · ΔE 19.3Dark slateblue · ΔE 22.6Slate grey · ΔE 28.4Light slate grey · ΔE 29.9Cornflower blue · ΔE 30.9Dim grey · ΔE 33.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 19.27, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#896F3B
Analogous#3B7C89, #483B89
Triadic#893B55, #55893B
Split complementary#89483B, #7C893B
Tetradic#893B7C, #896F3B, #3B8948

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B2C1DE
Lighter +30%#8EA4CF
Lighter +20%#6B87BF
Lighter +10%#4A6BAD
Darker −10%#2C3F65
Darker −20%#1C2942
Darker −30%#0D131E
Darker −40%#000000
More saturated +25%#234DA2
Less saturated −25%#545D71

Channel breakdown

R59
G85
B137
Red59 (23.1%)
Green85 (33.3%)
Blue137 (53.7%)
Hue220°
Saturation (HSL)39.8%
Lightness38.43%
Dominant channelBlue
Hex per channelR 3B · G 55 · B 89

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Every value on this page was computed from “3b5589” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.