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Recognised as Colour

#2F4243

  • #2F4243
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#2F4243 is a cyan with RGB values 47, 66, 67 and HSL 183°, 18%, 22%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2F4243#2F4243
HEX#2F4243
RGBrgb(47, 66, 67)
RGB (0–1)0.1843, 0.2588, 0.2627
RGB percentages18.4%, 25.9%, 26.3%
HSLhsl(183, 17.5%, 22.4%)
HSV / HSBhsv(183, 29.9%, 26.3%)
CMYK29.9%, 1.5%, 0%, 73.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,097,155
CSS custom property--colour: #2F4243;

Brightness & contrast

Relative luminance0.04906WCAG 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 10.6:1
Contrast with white10.6:1WCAG normal text: AAA
Contrast with black1.98:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#D0BDBC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F4043no red cones; affects about 1% of men; ΔE 7.6 from the original
Deuteranopia#3C3D43no green cones; the most common form, about 1% of men; ΔE 8.3 from the original
Tritanopia#284342no blue cones; rare, and affects men and women equally; ΔE 3.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.6:1WCAG large text: AAA
Contrast with black, large text1.98:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 6.6Dim grey · ΔE 19.6Black · ΔE 27.6Slate grey · ΔE 27.9Gray · ΔE 28.2Light slate grey · ΔE 30.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 6.61, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#43302F
Analogous#2F433A, #2F3843
Triadic#432F42, #42432F
Split complementary#432F38, #433A2F
Tetradic#3A2F43, #43302F, #38432F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8EAEB0
Lighter +30%#70999B
Lighter +20%#597D7F
Lighter +10%#446061
Darker −10%#1A2425
Darker −20%#050707
Darker −30%#000000
Darker −40%#000000
More saturated +25%#214F51
Less saturated −25%#393939

Channel breakdown

R47
G66
B67
Red47 (18.4%)
Green66 (25.9%)
Blue67 (26.3%)
Hue183°
Saturation (HSL)17.54%
Lightness22.35%
Dominant channelBlue
Hex per channelR 2F · G 42 · B 43

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Every value on this page was computed from “2f4243” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.