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Colour

#0000CC

  • #0000CC
  • Blue
  • Dark
  • Nearest: Medium blue

#0000CC is a blue with RGB values 0, 0, 204 and HSL 240°, 100%, 40%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0000CC#0000CC
HEX#0000CC
HEX (short)#00C
RGBrgb(0, 0, 204)
RGB (0–1)0, 0, 0.8
RGB percentages0%, 0%, 80%
HSLhsl(240, 100%, 40%)
HSV / HSBhsv(240, 100%, 80%)
CMYK100%, 100%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer204
CSS custom property--colour: #0000CC;

Brightness & contrast

Relative luminance0.0436WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.22:1
Contrast with white11.22:1WCAG normal text: AAA
Contrast with black1.87:1WCAG normal text: Fail
Greyscale equivalent#0F0F0F
Inverted#FFFF33

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0045D1no red cones; affects about 1% of men; ΔE 33.7 from the original
Deuteranopia#002FC9no green cones; the most common form, about 1% of men; ΔE 21.2 from the original
Tritanopia#005477no blue cones; rare, and affects men and women equally; ΔE 99.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.22:1WCAG large text: AAA
Contrast with black, large text1.87:1WCAG large text: Fail

Named colours

Medium blue · ΔE 0.4Blue · ΔE 22Blue violet · ΔE 24.1Dark violet · ΔE 27.2Dark blue · ΔE 29.7Navy · ΔE 34.9
Nearest named CSS colourMedium blue (#0000CD)ΔE 0.44, indistinguishable to the eye
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CCCC00
Analogous#0066CC, #6600CC
Triadic#CC0000, #00CC00
Split complementary#CC6600, #66CC00
Tetradic#CC0066, #CCCC00, #00CC66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9999FF
Lighter +30%#6666FF
Lighter +20%#3333FF
Lighter +10%#0000FF
Darker −10%#000099
Darker −20%#000066
Darker −30%#000033
Darker −40%#000000
More saturated +25%#0000CC
Less saturated −25%#1919B3

Channel breakdown

R0
G0
B204
Red0 (0%)
Green0 (0%)
Blue204 (80%)
Hue240°
Saturation (HSL)100%
Lightness40%
Dominant channelBlue
Hex per channelR 00 · G 00 · B CC

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Every value on this page was computed from “0000cc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.