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Recognised as Colour

#0C3839

  • #0C3839
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#0C3839 is a cyan with RGB values 12, 56, 57 and HSL 181°, 65%, 14%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0C3839#0C3839
HEX#0C3839
RGBrgb(12, 56, 57)
RGB (0–1)0.0471, 0.2196, 0.2235
RGB percentages4.7%, 22%, 22.4%
HSLhsl(181.3, 65.2%, 13.5%)
HSV / HSBhsv(181.3, 78.9%, 22.4%)
CMYK78.9%, 1.8%, 0%, 77.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer800,825
CSS custom property--colour: #0C3839;

Brightness & contrast

Relative luminance0.03202WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.8:1
Contrast with white12.8:1WCAG normal text: AAA
Contrast with black1.64:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#F3C7C6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#343539no red cones; affects about 1% of men; ΔE 14.8 from the original
Deuteranopia#2D3039no green cones; the most common form, about 1% of men; ΔE 15.2 from the original
Tritanopia#003A38no blue cones; rare, and affects men and women equally; ΔE 3.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.8:1WCAG large text: AAA
Contrast with black, large text1.64:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.8Black · ΔE 25.6Dim grey · ΔE 27.9Teal · ΔE 31.4Slate grey · ΔE 34.6Dark cyan · ΔE 35.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.75, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#390D0C
Analogous#0C3923, #0C2239
Triadic#390C38, #38390C
Split complementary#390C22, #39230C
Tetradic#230C39, #390D0C, #22390C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3BD2D6
Lighter +30%#27B4B7
Lighter +20%#1E8B8D
Lighter +10%#156163
Darker −10%#030F0F
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#034042
Less saturated −25%#153030

Channel breakdown

R12
G56
B57
Red12 (4.7%)
Green56 (22%)
Blue57 (22.4%)
Hue181.33°
Saturation (HSL)65.22%
Lightness13.53%
Dominant channelBlue
Hex per channelR 0C · G 38 · B 39

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Every value on this page was computed from “0c3839” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.