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Recognised as Colour

#A3B8B3

  • #A3B8B3
  • Cyan
  • Dark
  • Nearest: Dark grey

#A3B8B3 is a cyan with RGB values 163, 184, 179 and HSL 166°, 13%, 68%. It is a dark colour, so black text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark grey.

Colour values

#A3B8B3#A3B8B3
HEX#A3B8B3
RGBrgb(163, 184, 179)
RGB (0–1)0.6392, 0.7216, 0.702
RGB percentages63.9%, 72.2%, 70.2%
HSLhsl(165.7, 12.9%, 68%)
HSV / HSBhsv(165.7, 11.4%, 72.2%)
CMYK11.4%, 0%, 2.7%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,729,651
CSS custom property--colour: #A3B8B3;

Brightness & contrast

Relative luminance0.45322WCAG 2.x, 0 is black and 1 is white
Perceived brightness177.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.06:1
Contrast with white2.09:1WCAG normal text: Fail
Contrast with black10.06:1WCAG normal text: AAA
Greyscale equivalent#B3B3B3
Inverted#5C474C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B6B5B3no red cones; affects about 1% of men; ΔE 8.3 from the original
Deuteranopia#B2B2B3no green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#9EB9B6no blue cones; rare, and affects men and women equally; ΔE 2.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.09:1WCAG large text: Fail
Contrast with black, large text10.06:1WCAG large text: AAA

Named colours

Dark grey · ΔE 9.1Silver · ΔE 9.4Light grey · ΔE 14.1Light blue · ΔE 16Powder blue · ΔE 16.4Gainsboro · ΔE 16.8
Nearest named CSS colourDark grey (#A9A9A9)ΔE 9.06, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B8A3A8
Analogous#A3B8A9, #A3B3B8
Triadic#B3A3B8, #B8B3A3
Split complementary#B8A3B3, #B8A9A3
Tetradic#A9A3B8, #B8A3A8, #B3B8A3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F9FBFA
Lighter +20%#DDE4E3
Lighter +10%#C0CECB
Darker −10%#86A29B
Darker −20%#6B8A83
Darker −30%#556D68
Darker −40%#3E514C
More saturated +25%#8FCCBE
Less saturated −25%#AEAEAE

Channel breakdown

R163
G184
B179
Red163 (63.9%)
Green184 (72.2%)
Blue179 (70.2%)
Hue165.71°
Saturation (HSL)12.88%
Lightness68.04%
Dominant channelGreen
Hex per channelR A3 · G B8 · B B3

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Every value on this page was computed from “a3b8b3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.