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Recognised as Colour

#000CB5

  • #000CB5
  • Blue
  • Dark
  • Nearest: Medium blue

#000CB5 is a blue with RGB values 0, 12, 181 and HSL 236°, 100%, 35%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#000CB5#000CB5
HEX#000CB5
RGBrgb(0, 12, 181)
RGB (0–1)0, 0.0471, 0.7098
RGB percentages0%, 4.7%, 71%
HSLhsl(236, 100%, 35.5%)
HSV / HSBhsv(236, 100%, 71%)
CMYK100%, 93.4%, 0%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,253
CSS custom property--colour: #000CB5;

Brightness & contrast

Relative luminance0.03599WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.21:1
Contrast with white12.21:1WCAG normal text: AAA
Contrast with black1.72:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#FFF34A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003EB9no red cones; affects about 1% of men; ΔE 29 from the original
Deuteranopia#002BB2no green cones; the most common form, about 1% of men; ΔE 17.7 from the original
Tritanopia#004C6Ano blue cones; rare, and affects men and women equally; ΔE 89.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.21:1WCAG large text: AAA
Contrast with black, large text1.72:1WCAG large text: Fail

Named colours

Medium blue · ΔE 13.5Dark blue · ΔE 17Navy · ΔE 22.2Blue violet · ΔE 24.1Dark violet · ΔE 27.5Indigo · ΔE 29.3
Nearest named CSS colourMedium blue (#0000CD)ΔE 13.45, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B5A900
Analogous#0066B5, #4F00B5
Triadic#B5000C, #0CB500
Split complementary#B54F00, #66B500
Tetradic#B50066, #B5A900, #00B54F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#828AFF
Lighter +30%#4F5BFF
Lighter +20%#1C2BFF
Lighter +10%#000FE8
Darker −10%#000982
Darker −20%#00054F
Darker −30%#00021C
Darker −40%#000000
More saturated +25%#000CB5
Less saturated −25%#17209E

Channel breakdown

R0
G12
B181
Red0 (0%)
Green12 (4.7%)
Blue181 (71%)
Hue236.02°
Saturation (HSL)100%
Lightness35.49%
Dominant channelBlue
Hex per channelR 00 · G 0C · B B5

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Every value on this page was computed from “000cb5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.