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Colour

#003568

  • #003568
  • Blue
  • Dark
  • Nearest: Dark slateblue

#003568 is a blue with RGB values 0, 53, 104 and HSL 209°, 100%, 20%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#003568#003568
HEX#003568
RGBrgb(0, 53, 104)
RGB (0–1)0, 0.2078, 0.4078
RGB percentages0%, 20.8%, 40.8%
HSLhsl(209.4, 100%, 20.4%)
HSV / HSBhsv(209.4, 100%, 40.8%)
CMYK100%, 49%, 0%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,672
CSS custom property--colour: #003568;

Brightness & contrast

Relative luminance0.03546WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.29:1
Contrast with white12.29:1WCAG normal text: AAA
Contrast with black1.71:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#FFCA97

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#183A6Ano red cones; affects about 1% of men; ΔE 3.6 from the original
Deuteranopia#003167no green cones; the most common form, about 1% of men; ΔE 3.2 from the original
Tritanopia#004149no blue cones; rare, and affects men and women equally; ΔE 32.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.29:1WCAG large text: AAA
Contrast with black, large text1.71:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 23Midnight blue · ΔE 30.4Steel blue · ΔE 32.1Dark slate grey · ΔE 36.6Slate grey · ΔE 39.7Rebecca purple · ΔE 40.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#683300
Analogous#006867, #000168
Triadic#680035, #356800
Split complementary#680001, #686700
Tetradic#670068, #683300, #016800

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#359CFF
Lighter +30%#0283FF
Lighter +20%#0069CE
Lighter +10%#004F9B
Darker −10%#001B35
Darker −20%#000102
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003568
Less saturated −25%#0D355B

Channel breakdown

R0
G53
B104
Red0 (0%)
Green53 (20.8%)
Blue104 (40.8%)
Hue209.42°
Saturation (HSL)100%
Lightness20.39%
Dominant channelBlue
Hex per channelR 00 · G 35 · B 68

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Every value on this page was computed from “hex 003568” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.