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Colour

#2F4148

  • #2F4148
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#2F4148 is a cyan with RGB values 47, 65, 72 and HSL 197°, 21%, 23%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2F4148#2F4148
HEX#2F4148
RGBrgb(47, 65, 72)
RGB (0–1)0.1843, 0.2549, 0.2824
RGB percentages18.4%, 25.5%, 28.2%
HSLhsl(196.8, 21%, 23.3%)
HSV / HSBhsv(196.8, 34.7%, 28.2%)
CMYK34.7%, 9.7%, 0%, 71.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,096,904
CSS custom property--colour: #2F4148;

Brightness & contrast

Relative luminance0.04853WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.66:1
Contrast with white10.66:1WCAG normal text: AAA
Contrast with black1.97:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#D0BEB7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D4048no red cones; affects about 1% of men; ΔE 6 from the original
Deuteranopia#393D48no green cones; the most common form, about 1% of men; ΔE 6.3 from the original
Tritanopia#274343no blue cones; rare, and affects men and women equally; ΔE 6.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.66:1WCAG large text: AAA
Contrast with black, large text1.97:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.7Dim grey · ΔE 19.9Slate grey · ΔE 27Black · ΔE 27.6Gray · ΔE 28.5Light slate grey · ΔE 30.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.7, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#48362F
Analogous#2F4842, #2F3548
Triadic#482F41, #41482F
Split complementary#482F35, #48422F
Tetradic#422F48, #48362F, #34482F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8EAAB5
Lighter +30%#6F93A1
Lighter +20%#577986
Lighter +10%#435D67
Darker −10%#1B2529
Darker −20%#07090A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#204857
Less saturated −25%#3B3B3B

Channel breakdown

R47
G65
B72
Red47 (18.4%)
Green65 (25.5%)
Blue72 (28.2%)
Hue196.8°
Saturation (HSL)21.01%
Lightness23.33%
Dominant channelBlue
Hex per channelR 2F · G 41 · B 48

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Every value on this page was computed from “2f4148” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.