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Recognised as Colour

#2F4445

  • #2F4445
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#2F4445 is a cyan with RGB values 47, 68, 69 and HSL 183°, 19%, 23%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2F4445#2F4445
HEX#2F4445
RGBrgb(47, 68, 69)
RGB (0–1)0.1843, 0.2667, 0.2706
RGB percentages18.4%, 26.7%, 27.1%
HSLhsl(182.7, 19%, 22.7%)
HSV / HSBhsv(182.7, 31.9%, 27.1%)
CMYK31.9%, 1.4%, 0%, 72.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,097,669
CSS custom property--colour: #2F4445;

Brightness & contrast

Relative luminance0.05168WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.33:1
Contrast with white10.33:1WCAG normal text: AAA
Contrast with black2.03:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#D0BBBA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#414245no red cones; affects about 1% of men; ΔE 8.3 from the original
Deuteranopia#3D3F45no green cones; the most common form, about 1% of men; ΔE 8.5 from the original
Tritanopia#274544no blue cones; rare, and affects men and women equally; ΔE 3.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.33:1WCAG large text: AAA
Contrast with black, large text2.03:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 5.6Dim grey · ΔE 19.2Slate grey · ΔE 27.3Gray · ΔE 27.7Black · ΔE 28.5Teal · ΔE 30.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 5.59, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#45302F
Analogous#2F453B, #2F3945
Triadic#452F44, #44452F
Split complementary#452F39, #453B2F
Tetradic#3B2F45, #45302F, #39452F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8EB0B2
Lighter +30%#709B9D
Lighter +20%#588082
Lighter +10%#446263
Darker −10%#1A2627
Darker −20%#060808
Darker −30%#000000
Darker −40%#000000
More saturated +25%#215153
Less saturated −25%#3A3A3A

Channel breakdown

R47
G68
B69
Red47 (18.4%)
Green68 (26.7%)
Blue69 (27.1%)
Hue182.73°
Saturation (HSL)18.97%
Lightness22.75%
Dominant channelBlue
Hex per channelR 2F · G 44 · B 45

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Every value on this page was computed from “2f4445” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.