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Recognised as Colour

#0B4147

  • #0B4147
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#0B4147 is a cyan with RGB values 11, 65, 71 and HSL 186°, 73%, 16%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0B4147#0B4147
HEX#0B4147
RGBrgb(11, 65, 71)
RGB (0–1)0.0431, 0.2549, 0.2784
RGB percentages4.3%, 25.5%, 27.8%
HSLhsl(186, 73.2%, 16.1%)
HSV / HSBhsv(186, 84.5%, 27.8%)
CMYK84.5%, 8.5%, 0%, 72.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer737,607
CSS custom property--colour: #0B4147;

Brightness & contrast

Relative luminance0.04307WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.28:1
Contrast with white11.28:1WCAG normal text: AAA
Contrast with black1.86:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#F4BEB8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B3E47no red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#323847no green cones; the most common form, about 1% of men; ΔE 16 from the original
Tritanopia#004443no blue cones; rare, and affects men and women equally; ΔE 5.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.28:1WCAG large text: AAA
Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.6Dim grey · ΔE 25.9Teal · ΔE 27.7Black · ΔE 29.8Slate grey · ΔE 30.8Dark cyan · ΔE 32
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.6, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#47110B
Analogous#0B472F, #0B2347
Triadic#470B41, #41470B
Split complementary#470B23, #472F0B
Tetradic#2F0B47, #47110B, #23470B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3DD1E1
Lighter +30%#20BACB
Lighter +20%#19929F
Lighter +10%#126973
Darker −10%#04191B
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#014951
Less saturated −25%#15393D

Channel breakdown

R11
G65
B71
Red11 (4.3%)
Green65 (25.5%)
Blue71 (27.8%)
Hue186°
Saturation (HSL)73.17%
Lightness16.08%
Dominant channelBlue
Hex per channelR 0B · G 41 · B 47

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Every value on this page was computed from “0b4147” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.