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Recognised as Colour

#142F47

  • #142F47
  • Blue
  • Dark
  • Nearest: Dark slate grey

#142F47 is a blue with RGB values 20, 47, 71 and HSL 208°, 56%, 18%. It is a dark colour, so white text on it reaches 13.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#142F47#142F47
HEX#142F47
RGBrgb(20, 47, 71)
RGB (0–1)0.0784, 0.1843, 0.2784
RGB percentages7.8%, 18.4%, 27.8%
HSLhsl(208.2, 56%, 17.8%)
HSV / HSBhsv(208.2, 71.8%, 27.8%)
CMYK71.8%, 33.8%, 0%, 72.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,322,823
CSS custom property--colour: #142F47;

Brightness & contrast

Relative luminance0.02637WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.75:1
Contrast with white13.75:1WCAG normal text: AAA
Contrast with black1.53:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#EBD0B8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#253048no red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#1E2B47no green cones; the most common form, about 1% of men; ΔE 5.5 from the original
Tritanopia#003537no blue cones; rare, and affects men and women equally; ΔE 18.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.75:1WCAG large text: AAA
Contrast with black, large text1.53:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21.8Black · ΔE 25.9Dim grey · ΔE 31.6Slate grey · ΔE 35.1Steel blue · ΔE 36.9Light slate grey · ΔE 38
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 21.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#472C14
Analogous#144746, #141547
Triadic#47142F, #2F4714
Split complementary#471415, #474614
Tetradic#461447, #472C14, #154714

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5797D0
Lighter +30%#367EBE
Lighter +20%#2A6497
Lighter +10%#1F496F
Darker −10%#09151F
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#093052
Less saturated −25%#1F2E3C

Channel breakdown

R20
G47
B71
Red20 (7.8%)
Green47 (18.4%)
Blue71 (27.8%)
Hue208.24°
Saturation (HSL)56.04%
Lightness17.84%
Dominant channelBlue
Hex per channelR 14 · G 2F · B 47

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Every value on this page was computed from “142f47” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.