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Recognised as Colour

#273C3C

  • #273C3C
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#273C3C is a cyan with RGB values 39, 60, 60 and HSL 180°, 21%, 19%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#273C3C#273C3C
HEX#273C3C
RGBrgb(39, 60, 60)
RGB (0–1)0.1529, 0.2353, 0.2353
RGB percentages15.3%, 23.5%, 23.5%
HSLhsl(180, 21.2%, 19.4%)
HSV / HSBhsv(180, 35%, 23.5%)
CMYK35%, 0%, 0%, 76.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,571,324
CSS custom property--colour: #273C3C;

Brightness & contrast

Relative luminance0.03989WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.68:1
Contrast with white11.68:1WCAG normal text: AAA
Contrast with black1.8:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#D8C3C3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#393A3Cno red cones; affects about 1% of men; ΔE 8.4 from the original
Deuteranopia#35373Cno green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#1F3D3Cno blue cones; rare, and affects men and women equally; ΔE 3.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.68:1WCAG large text: AAA
Contrast with black, large text1.8:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.4Dim grey · ΔE 22.5Black · ΔE 25.2Slate grey · ΔE 30.9Gray · ΔE 31.2Teal · ΔE 32.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.44, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3C2727
Analogous#273C32, #27323C
Triadic#3C273C, #3C3C27
Split complementary#3C2732, #3C3227
Tetradic#32273C, #3C2727, #323C27

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#82ADAD
Lighter +30%#639999
Lighter +20%#4F7A7A
Lighter +10%#3B5B5B
Darker −10%#131D1D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1B4848
Less saturated −25%#323232

Channel breakdown

R39
G60
B60
Red39 (15.3%)
Green60 (23.5%)
Blue60 (23.5%)
Hue180°
Saturation (HSL)21.21%
Lightness19.41%
Dominant channelGreen and Blue
Hex per channelR 27 · G 3C · B 3C

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Every value on this page was computed from “273c3c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.