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Colour

#3F4646

  • #3F4646
  • Grey
  • Dark
  • Nearest: Dark slate grey

#3F4646 is a grey with RGB values 63, 70, 70 and HSL 180°, 5%, 26%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3F4646#3F4646
HEX#3F4646
RGBrgb(63, 70, 70)
RGB (0–1)0.2471, 0.2745, 0.2745
RGB percentages24.7%, 27.5%, 27.5%
HSLhsl(180, 5.3%, 26.1%)
HSV / HSBhsv(180, 10%, 27.5%)
CMYK10%, 0%, 0%, 72.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,146,758
CSS custom property--colour: #3F4646;

Brightness & contrast

Relative luminance0.05879WCAG 2.x, 0 is black and 1 is white
Perceived brightness68 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.65:1
Contrast with white9.65:1WCAG normal text: AAA
Contrast with black2.18:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#C0B9B9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#454546no red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#444446no green cones; the most common form, about 1% of men; ΔE 3.3 from the original
Tritanopia#3D4746no blue cones; rare, and affects men and women equally; ΔE 1.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.65:1WCAG large text: AAA
Contrast with black, large text2.18:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.5Dim grey · ΔE 15.6Gray · ΔE 24.7Slate grey · ΔE 25.6Light slate grey · ΔE 28.7Black · ΔE 29.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.52, clearly different but related
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#463F3F
Analogous#3F4643, #3F4346
Triadic#463F46, #46463F
Split complementary#463F43, #46433F
Tetradic#433F46, #463F3F, #43463F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A4ADAD
Lighter +30%#899595
Lighter +20%#6F7C7C
Lighter +10%#576161
Darker −10%#272B2B
Darker −20%#0F1010
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2E5757
Less saturated −25%#434343

Channel breakdown

R63
G70
B70
Red63 (24.7%)
Green70 (27.5%)
Blue70 (27.5%)
Hue180°
Saturation (HSL)5.26%
Lightness26.08%
Dominant channelGreen and Blue
Hex per channelR 3F · G 46 · B 46

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Every value on this page was computed from “3f4646” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.