Nerdulator> put something in

Recognised as Colour

#A3A3A6

  • #A3A3A6
  • Grey
  • Dark
  • Nearest: Dark grey

#A3A3A6 is a grey with RGB values 163, 163, 166 and HSL 240°, 2%, 65%. It is a dark colour, so black text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Dark grey.

Colour values

#A3A3A6#A3A3A6
HEX#A3A3A6
RGBrgb(163, 163, 166)
RGB (0–1)0.6392, 0.6392, 0.651
RGB percentages63.9%, 63.9%, 65.1%
HSLhsl(240, 1.7%, 64.5%)
HSV / HSBhsv(240, 1.8%, 65.1%)
CMYK1.8%, 1.8%, 0%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,724,262
CSS custom property--colour: #A3A3A6;

Brightness & contrast

Relative luminance0.36734WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.35:1
Contrast with white2.52:1WCAG normal text: Fail
Contrast with black8.35:1WCAG normal text: AAA
Greyscale equivalent#A3A3A3
Inverted#5C5C59

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A2A3A6no red cones; affects about 1% of men; ΔE 0.4 from the original
Deuteranopia#A2A3A6no green cones; the most common form, about 1% of men; ΔE 0.4 from the original
Tritanopia#A2A3A4no blue cones; rare, and affects men and women equally; ΔE 1.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.52:1WCAG large text: Fail
Contrast with black, large text8.35:1WCAG large text: AAA

Named colours

Dark grey · ΔE 2.7Silver · ΔE 10.8Gray · ΔE 13.6Light slate grey · ΔE 15Slate grey · ΔE 17.1Light grey · ΔE 17.6
Nearest named CSS colourDark grey (#A9A9A9)ΔE 2.72, a close match
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A6A6A3
Analogous#A3A4A6, #A4A3A6
Triadic#A6A3A3, #A3A6A3
Split complementary#A6A4A3, #A4A6A3
Tetradic#A6A3A4, #A6A6A3, #A3A6A4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F1F1F1
Lighter +20%#D7D7D8
Lighter +10%#BDBDBF
Darker −10%#89898D
Darker −20%#707073
Darker −30%#575759
Darker −40%#3D3D40
More saturated +25%#8C8CBD
Less saturated −25%#A4A4A4

Channel breakdown

R163
G163
B166
Red163 (63.9%)
Green163 (63.9%)
Blue166 (65.1%)
Hue240°
Saturation (HSL)1.66%
Lightness64.51%
Dominant channelBlue
Hex per channelR A3 · G A3 · B A6

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “a3a3a6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.