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Recognised as Colour

#2F4F3F

  • #2F4F3F
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#2F4F3F is a cyan with RGB values 47, 79, 63 and HSL 150°, 25%, 25%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2F4F3F#2F4F3F
HEX#2F4F3F
RGBrgb(47, 79, 63)
RGB (0–1)0.1843, 0.3098, 0.2471
RGB percentages18.4%, 31%, 24.7%
HSLhsl(150, 25.4%, 24.7%)
HSV / HSBhsv(150, 40.5%, 31%)
CMYK40.5%, 0%, 20.3%, 69%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,100,479
CSS custom property--colour: #2F4F3F;

Brightness & contrast

Relative luminance0.06555WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.09:1
Contrast with white9.09:1WCAG normal text: AAA
Contrast with black2.31:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#D0B0C0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4E4B3Eno red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#494740no green cones; the most common form, about 1% of men; ΔE 15.4 from the original
Tritanopia#284F4Ano blue cones; rare, and affects men and women equally; ΔE 7.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.09:1WCAG large text: AAA
Contrast with black, large text2.31:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.4Dim grey · ΔE 21.8Teal · ΔE 26Dark olivegreen · ΔE 27.5Gray · ΔE 28.4Dark cyan · ΔE 29.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.41, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4F2F3F
Analogous#2F4F2F, #2F4F4F
Triadic#3F2F4F, #4F3F2F
Split complementary#4F2F4F, #4F2F2F
Tetradic#2F2F4F, #4F2F3F, #4F4F2F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8EBCA5
Lighter +30%#6EA98B
Lighter +20%#558F72
Lighter +10%#426F59
Darker −10%#1C2F26
Darker −20%#090F0C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1F5F3F
Less saturated −25%#3F3F3F

Channel breakdown

R47
G79
B63
Red47 (18.4%)
Green79 (31%)
Blue63 (24.7%)
Hue150°
Saturation (HSL)25.4%
Lightness24.71%
Dominant channelGreen
Hex per channelR 2F · G 4F · B 3F

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Every value on this page was computed from “2f4f3f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.