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Recognised as Colour

#A1ADBD

  • #A1ADBD
  • Blue
  • Dark
  • Nearest: Dark grey

#A1ADBD is a blue with RGB values 161, 173, 189 and HSL 214°, 18%, 69%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Dark grey.

Colour values

#A1ADBD#A1ADBD
HEX#A1ADBD
RGBrgb(161, 173, 189)
RGB (0–1)0.6314, 0.6784, 0.7412
RGB percentages63.1%, 67.8%, 74.1%
HSLhsl(214.3, 17.5%, 68.6%)
HSV / HSBhsv(214.3, 14.8%, 74.1%)
CMYK14.8%, 8.5%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,595,773
CSS custom property--colour: #A1ADBD;

Brightness & contrast

Relative luminance0.41138WCAG 2.x, 0 is black and 1 is white
Perceived brightness171.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.23:1
Contrast with white2.28:1WCAG normal text: Fail
Contrast with black9.23:1WCAG normal text: AAA
Greyscale equivalent#ACACAC
Inverted#5E5242

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A8ADBEno red cones; affects about 1% of men; ΔE 2.6 from the original
Deuteranopia#A5ABBDno green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#9AB0B2no blue cones; rare, and affects men and women equally; ΔE 8.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.28:1WCAG large text: Fail
Contrast with black, large text9.23:1WCAG large text: AAA

Named colours

Dark grey · ΔE 9.7Light steelblue · ΔE 9.9Silver · ΔE 12.2Light slate grey · ΔE 14.5Light blue · ΔE 16.9Thistle · ΔE 17.2
Nearest named CSS colourDark grey (#A9A9A9)ΔE 9.69, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BDB1A1
Analogous#A1BBBD, #A3A1BD
Triadic#BDA1AD, #ADBDA1
Split complementary#BDA3A1, #BBBDA1
Tetradic#BDA1BB, #BDB1A1, #A1BDA3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FBFBFC
Lighter +20%#DDE1E7
Lighter +10%#BFC7D2
Darker −10%#8393A8
Darker −20%#667992
Darker −30%#516074
Darker −40%#3C4756
More saturated +25%#8DAAD1
Less saturated −25%#AFAFAF

Channel breakdown

R161
G173
B189
Red161 (63.1%)
Green173 (67.8%)
Blue189 (74.1%)
Hue214.29°
Saturation (HSL)17.5%
Lightness68.63%
Dominant channelBlue
Hex per channelR A1 · G AD · B BD

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Every value on this page was computed from “a1adbd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.