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Colour

#3B6589

  • #3B6589
  • Blue
  • Dark
  • Nearest: Steel blue

#3B6589 is a blue with RGB values 59, 101, 137 and HSL 208°, 40%, 38%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3B6589#3B6589
HEX#3B6589
RGBrgb(59, 101, 137)
RGB (0–1)0.2314, 0.3961, 0.5373
RGB percentages23.1%, 39.6%, 53.7%
HSLhsl(207.7, 39.8%, 38.4%)
HSV / HSBhsv(207.7, 56.9%, 53.7%)
CMYK56.9%, 26.3%, 0%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,892,617
CSS custom property--colour: #3B6589;

Brightness & contrast

Relative luminance0.12043WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.16:1
Contrast with white6.16:1WCAG normal text: AA
Contrast with black3.41:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#C49A76

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#56668Bno red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#4B5E88no green cones; the most common form, about 1% of men; ΔE 8.3 from the original
Tritanopia#016E71no blue cones; rare, and affects men and women equally; ΔE 26.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.16:1WCAG large text: AAA
Contrast with black, large text3.41:1WCAG large text: AA

Named colours

Steel blue · ΔE 13.7Slate grey · ΔE 18Light slate grey · ΔE 19.8Dark slate grey · ΔE 24.4Dim grey · ΔE 24.8Gray · ΔE 27.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.66, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#895F3B
Analogous#3B8986, #3B3E89
Triadic#893B65, #65893B
Split complementary#893B3E, #89863B
Tetradic#863B89, #895F3B, #3E893B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B2CADE
Lighter +30%#8EB1CF
Lighter +20%#6B98BF
Lighter +10%#4A7FAD
Darker −10%#2C4B65
Darker −20%#1C3042
Darker −30%#0D161E
Darker −40%#000000
More saturated +25%#2367A2
Less saturated −25%#546371

Channel breakdown

R59
G101
B137
Red59 (23.1%)
Green101 (39.6%)
Blue137 (53.7%)
Hue207.69°
Saturation (HSL)39.8%
Lightness38.43%
Dominant channelBlue
Hex per channelR 3B · G 65 · B 89

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Every value on this page was computed from “3b6589” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.