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Colour

#00336C

  • #00336C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#00336C is a blue with RGB values 0, 51, 108 and HSL 212°, 100%, 21%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#00336C#00336C
HEX#00336C
RGBrgb(0, 51, 108)
RGB (0–1)0, 0.2, 0.4235
RGB percentages0%, 20%, 42.4%
HSLhsl(211.7, 100%, 21.2%)
HSV / HSBhsv(211.7, 100%, 42.4%)
CMYK100%, 52.8%, 0%, 57.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,164
CSS custom property--colour: #00336C;

Brightness & contrast

Relative luminance0.0345WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.43:1
Contrast with white12.43:1WCAG normal text: AAA
Contrast with black1.69:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#FFCC93

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0D396Eno red cones; affects about 1% of men; ΔE 4.2 from the original
Deuteranopia#00306Bno green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#00414Ano blue cones; rare, and affects men and women equally; ΔE 36.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.43:1WCAG large text: AAA
Contrast with black, large text1.69:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.4Midnight blue · ΔE 26Steel blue · ΔE 34Rebecca purple · ΔE 36.5Dark slate grey · ΔE 40.9Slate blue · ΔE 40.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.42, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6C3900
Analogous#00696C, #03006C
Triadic#6C0033, #336C00
Split complementary#6C0300, #696C00
Tetradic#6C0069, #6C3900, #006C03

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3997FF
Lighter +30%#067CFF
Lighter +20%#0063D2
Lighter +10%#004B9F
Darker −10%#001B39
Darker −20%#000306
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00336C
Less saturated −25%#0E345F

Channel breakdown

R0
G51
B108
Red0 (0%)
Green51 (20%)
Blue108 (42.4%)
Hue211.67°
Saturation (HSL)100%
Lightness21.18%
Dominant channelBlue
Hex per channelR 00 · G 33 · B 6C

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Every value on this page was computed from “00336c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.