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Recognised as Colour

#0C3366

  • #0C3366
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0C3366 is a blue with RGB values 12, 51, 102 and HSL 214°, 79%, 22%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0C3366#0C3366
HEX#0C3366
RGBrgb(12, 51, 102)
RGB (0–1)0.0471, 0.2, 0.4
RGB percentages4.7%, 20%, 40%
HSLhsl(214, 78.9%, 22.4%)
HSV / HSBhsv(214, 88.2%, 40%)
CMYK88.2%, 50%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer799,590
CSS custom property--colour: #0C3366;

Brightness & contrast

Relative luminance0.03405WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.49:1
Contrast with white12.49:1WCAG normal text: AAA
Contrast with black1.68:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#F3CC99

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#163868no red cones; affects about 1% of men; ΔE 3.3 from the original
Deuteranopia#003065no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#003F47no blue cones; rare, and affects men and women equally; ΔE 32.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.49:1WCAG large text: AAA
Contrast with black, large text1.68:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 22Midnight blue · ΔE 29.2Steel blue · ΔE 33.1Dark slate grey · ΔE 37.1Rebecca purple · ΔE 39.1Slate grey · ΔE 40.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 22.01, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#663F0C
Analogous#0C6066, #120C66
Triadic#660C33, #33660C
Split complementary#66120C, #60660C
Tetradic#660C60, #663F0C, #0C6612

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5395EB
Lighter +30%#2679E5
Lighter +20%#1761C1
Lighter +10%#114A94
Darker −10%#071C38
Darker −20%#01050B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003172
Less saturated −25%#1A3558

Channel breakdown

R12
G51
B102
Red12 (4.7%)
Green51 (20%)
Blue102 (40%)
Hue214°
Saturation (HSL)78.95%
Lightness22.35%
Dominant channelBlue
Hex per channelR 0C · G 33 · B 66

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Every value on this page was computed from “0c3366” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.