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Recognised as Colour

#3B568B

  • #3B568B
  • Blue
  • Dark
  • Nearest: Steel blue

#3B568B is a blue with RGB values 59, 86, 139 and HSL 220°, 40%, 39%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#3B568B#3B568B
HEX#3B568B
RGBrgb(59, 86, 139)
RGB (0–1)0.2314, 0.3373, 0.5451
RGB percentages23.1%, 33.7%, 54.5%
HSLhsl(219.8, 40.4%, 38.8%)
HSV / HSBhsv(219.8, 57.6%, 54.5%)
CMYK57.6%, 38.1%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,888,779
CSS custom property--colour: #3B568B;

Brightness & contrast

Relative luminance0.09449WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.27:1
Contrast with white7.27:1WCAG normal text: AAA
Contrast with black2.89:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#C4A974

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#405B8Dno red cones; affects about 1% of men; ΔE 2.9 from the original
Deuteranopia#36538Ano green cones; the most common form, about 1% of men; ΔE 1.9 from the original
Tritanopia#05626Ano blue cones; rare, and affects men and women equally; ΔE 34.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.27:1WCAG large text: AAA
Contrast with black, large text2.89:1WCAG large text: Fail

Named colours

Steel blue · ΔE 19Dark slateblue · ΔE 22.4Slate grey · ΔE 28.6Light slate grey · ΔE 30.1Cornflower blue · ΔE 30.3Dim grey · ΔE 34.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 18.96, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B703B
Analogous#3B7E8B, #483B8B
Triadic#8B3B56, #568B3B
Split complementary#8B483B, #7E8B3B
Tetradic#8B3B7E, #8B703B, #3B8B48

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B3C2DF
Lighter +30%#8FA5D0
Lighter +20%#6C88C0
Lighter +10%#4A6CAF
Darker −10%#2C4067
Darker −20%#1D2A43
Darker −30%#0D1420
Darker −40%#000000
More saturated +25%#224EA4
Less saturated −25%#545E72

Channel breakdown

R59
G86
B139
Red59 (23.1%)
Green86 (33.7%)
Blue139 (54.5%)
Hue219.75°
Saturation (HSL)40.4%
Lightness38.82%
Dominant channelBlue
Hex per channelR 3B · G 56 · B 8B

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Every value on this page was computed from “3b568b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.